#B03F2D#B03F2D

#B03F2D is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.3% C 0.151 H 31.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B03F2D
RGB	rgb(176, 63, 45)
HSL	hsl(8, 59%, 43%)
HSV	hsv(8, 74%, 69%)
CMYK	cmyk(0%, 64.2%, 74.4%, 31%)
CIE-LAB	lab(42.73, 45.03, 35.19)
CIE-LCH	lch(42.73, 57.15, 38.00°)
OKLab	oklab(52.35% 0.1287 0.079)
OKLCH	oklch(52.35% 0.151 31.5)
XYZ	xyz(20.1578, 12.9774, 3.9256)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F2D #2D9EB0

analogous

#B02D5C #B03F2D #B0802D

triadic

#B03F2D #2DB03F #3F2DB0

tetradic

#B03F2D #5CB02D #2D9EB0 #802DB0

square

#B03F2D #5CB02D #2D9EB0 #802DB0

split-complementary

#B03F2D #2DB080 #2D5CB0

monochromatic

#4F1C14 #7F2E21 #B03F2D #D15C4A #DD887A

Accessibility & contrast

On white

5.84

#B03F2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B03F2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F2D

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F2D	#FFFFFF	#000000	##FFFFFF
##B03F2D	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552A

Deuteranopia (green-blind)

#7A6E29

Tritanopia (blue-blind)

#C2223B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03f2d;
/* rgb */ color: rgb(176, 63, 45);
/* oklch */ color: oklch(52.3% 0.151 31.5);

Tailwind

colors: {
  custom: {
    50: '#cf7967',
    500: '#b03f2d',
    950: '#000000',
  },
}

SCSS

$custom: #b03f2d;
$custom-light: #cf7967;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f2d",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 45
  },
  "hsl": {
    "h": 8.244,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52346,
    "c": 0.15104,
    "h": 31.5
  },
  "luminance": 0.12975
}

Semantic roles & 50–950 ramp

primary

#B03F2D

secondary

#73BAC5

accent

#CDE245

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03F2D

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

Preview Lab → · Contrast checker → · Palette generator →