#3359CD

A color in the Blue, Sky, Navy family

#3359cd is a color in the Blue, Sky, Navy family: RGB(51, 89, 205), HSL(225°, 61%, 50%), CMYK(75%, 57%, 0%, 20%). Closest named color: royalblue. Contrast is 6.08:1 on white and 3.45:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#3359cd
RGBrgb(51 89 205)
RGB (legacy)rgb(51, 89, 205)
RGB %rgb(20% 35% 80%)
HSLhsl(225 61% 50%)
HSV / HSBhsv(225, 75%, 80%)
HWBhwb(225 20% 20%)
CMYKcmyk(75%, 57%, 0%, 20%)
CIELAB (D50)lab(40.57 19.11 -65.4)
LCHlch(40.57 68.13 286.29)
OKLaboklab(0.5069 -0.0126 -0.1845)
OKLCHoklch(0.5069 0.185 266.09)
Decimal3365325

Properties

Color ToneBlue, Sky, Navy
Closest named colorroyalblue ΔE 5.3
Closest web-safe color#3366cc
Hue225°
Saturation (HSL / HSV)61% / 75%
Lightness (HSL)50%
Brightness or Value (HSV)80%
Luminance (Rec.601 / Rec.709)36% / 35%
Relative luminance (WCAG)0.1226
Red / Green / Blue51 / 89 / 205

WCAG 2.2 Contrast Ratio

On White (#ffffff)
6.08:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
3.45:1
AA Normal (4.5:1) · FailAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 79.9 / -22 · As background with white / black text: Lc -85.1 / 24.2

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: #3359cd;
  --color-brand-oklch: oklch(50.69% 0.185 266.09);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(51 89 205 / 50%); }
/* Tailwind CSS */
<div class="bg-[#3359cd] text-[#3359cd] border-[#3359cd]">