#B00A1D

A color in the Red, Pink family

#b00a1d is a color in the Red, Pink family: RGB(176, 10, 29), HSL(353°, 89%, 36%), CMYK(0%, 94%, 84%, 31%). Closest named color: firebrick. Contrast is 7.22:1 on white and 2.91:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#b00a1d
RGBrgb(176 10 29)
RGB (legacy)rgb(176, 10, 29)
RGB %rgb(69% 4% 11%)
HSLhsl(353 89% 36%)
HSV / HSBhsv(353, 94%, 69%)
HWBhwb(353 4% 31%)
CMYKcmyk(0%, 94%, 84%, 31%)
CIELAB (D50)lab(37.76 60.39 39.96)
LCHlch(37.76 72.41 33.49)
OKLaboklab(0.4802 0.1723 0.0806)
OKLCHoklch(0.4802 0.1902 25.08)
Decimal11536925

Properties

Color ToneRed, Pink
Closest named colorfirebrick ΔE 2
Closest web-safe color#990033
Hue353°
Saturation (HSL / HSV)89% / 94%
Lightness (HSL)36%
Brightness or Value (HSV)69%
Luminance (Rec.601 / Rec.709)24% / 18%
Relative luminance (WCAG)0.0954
Red / Green / Blue176 / 10 / 29

WCAG 2.2 Contrast Ratio

On White (#ffffff)
7.22:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
On Black (#000000)
2.91:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 82.8 / -19.2 · As background with white / black text: Lc -87.8 / 21.3

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: #b00a1d;
  --color-brand-oklch: oklch(48.02% 0.1902 25.08);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(176 10 29 / 50%); }
/* Tailwind CSS */
<div class="bg-[#b00a1d] text-[#b00a1d] border-[#b00a1d]">