#4E7C8A

A color in the Cyan, Emerald family

#4e7c8a is a color in the Cyan, Emerald family: RGB(78, 124, 138), HSL(194°, 28%, 42%), CMYK(43%, 10%, 0%, 46%). Closest named color: slategray. Contrast is 4.59:1 on white and 4.57:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#4e7c8a
RGBrgb(78 124 138)
RGB (legacy)rgb(78, 124, 138)
RGB %rgb(31% 49% 54%)
HSLhsl(194 28% 42%)
HSV / HSBhsv(194, 43%, 54%)
HWBhwb(194 31% 46%)
CMYKcmyk(43%, 10%, 0%, 46%)
CIELAB (D50)lab(49.11 -13.43 -12.88)
LCHlch(49.11 18.6 223.81)
OKLaboklab(0.5586 -0.0424 -0.0345)
OKLCHoklch(0.5586 0.0547 219.15)
Decimal5143690

Properties

Color ToneCyan, Emerald
Closest named colorslategray ΔE 4.6
Closest web-safe color#666699
Hue194°
Saturation (HSL / HSV)28% / 43%
Lightness (HSL)42%
Brightness or Value (HSV)54%
Luminance (Rec.601 / Rec.709)44% / 45%
Relative luminance (WCAG)0.1787
Red / Green / Blue78 / 124 / 138

WCAG 2.2 Contrast Ratio

On White (#ffffff)
4.59:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
4.57:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 71.8 / -29.9 · As background with white / black text: Lc -77.3 / 32.3

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #4e7c8a;
  --color-brand-oklch: oklch(55.86% 0.0547 219.15);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(78 124 138 / 50%); }
/* Tailwind CSS */
<div class="bg-[#4e7c8a] text-[#4e7c8a] border-[#4e7c8a]">