#B03E23#B03E23

#B03E23 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.1% C 0.154 H 34.6°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B03E23
RGB	rgb(176, 62, 35)
HSL	hsl(11, 67%, 41%)
HSV	hsv(11, 80%, 69%)
CMYK	cmyk(0%, 64.8%, 80.1%, 31%)
CIE-LAB	lab(42.46, 45.08, 40.31)
CIE-LCH	lch(42.46, 60.48, 41.81°)
OKLab	oklab(52.11% 0.1269 0.0874)
OKLCH	oklch(52.11% 0.154 34.6)
XYZ	xyz(19.9327, 12.7996, 3.0108)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E23 #2395B0

analogous

#B0234F #B03E23 #B08523

triadic

#B03E23 #23B03E #3E23B0

tetradic

#B03E23 #4FB023 #2395B0 #8523B0

square

#B03E23 #4FB023 #2395B0 #8523B0

split-complementary

#B03E23 #23B085 #234FB0

monochromatic

#4A1A0F #7D2C19 #B03E23 #D85739 #E2826C

Accessibility & contrast

On white

5.90

#B03E23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B03E23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E23

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E23	#FFFFFF	#000000	##FFFFFF
##B03E23	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F541F

Deuteranopia (green-blind)

#7B6E1E

Tritanopia (blue-blind)

#C21E39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03e23;
/* rgb */ color: rgb(176, 62, 35);
/* oklch */ color: oklch(52.1% 0.154 34.6);

Tailwind

colors: {
  custom: {
    50: '#d07960',
    500: '#b03e23',
    950: '#000000',
  },
}

SCSS

$custom: #b03e23;
$custom-light: #d07960;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e23",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 35
  },
  "hsl": {
    "h": 11.489,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5211,
    "c": 0.15413,
    "h": 34.6
  },
  "luminance": 0.12797
}

Semantic roles & 50–950 ramp

primary

#B03E23

secondary

#67B5C8

accent

#C9EA3E

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150905

muted

#837B79

Preview Lab

Preview with #B03E23

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →