#BD400A

A color in the Orange, Brown family

#bd400a is a color in the Orange, Brown family: RGB(189, 64, 10), HSL(18°, 90%, 39%), CMYK(0%, 66%, 95%, 26%). Closest named color: sienna. Contrast is 5.38:1 on white and 3.9:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#bd400a
RGBrgb(189 64 10)
RGB (legacy)rgb(189, 64, 10)
RGB %rgb(74% 25% 4%)
HSLhsl(18 90% 39%)
HSV / HSBhsv(18, 95%, 74%)
HWBhwb(18 4% 26%)
CMYKcmyk(0%, 66%, 95%, 26%)
CIELAB (D50)lab(45.66 49.66 54.63)
LCHlch(45.66 73.83 47.73)
OKLaboklab(0.5438 0.1323 0.1066)
OKLCHoklch(0.5438 0.1699 38.86)
Decimal12402698

Properties

Color ToneOrange, Brown
Closest named colorsienna ΔE 5.9
Closest web-safe color#cc3300
Hue18°
Saturation (HSL / HSV)90% / 95%
Lightness (HSL)39%
Brightness or Value (HSV)74%
Luminance (Rec.601 / Rec.709)37% / 34%
Relative luminance (WCAG)0.1451
Red / Green / Blue189 / 64 / 10

WCAG 2.2 Contrast Ratio

On White (#ffffff)
5.38:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
3.90:1
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 75.7 / -26 · As background with white / black text: Lc -81.1 / 28.3

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: #bd400a;
  --color-brand-oklch: oklch(54.38% 0.1699 38.86);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(189 64 10 / 50%); }
/* Tailwind CSS */
<div class="bg-[#bd400a] text-[#bd400a] border-[#bd400a]">