#B03E2E#B03E2E

#B03E2E is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.2% C 0.152 H 30.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B03E2E
RGB	rgb(176, 62, 46)
HSL	hsl(7, 59%, 44%)
HSV	hsv(7, 74%, 69%)
CMYK	cmyk(0%, 64.8%, 73.9%, 31%)
CIE-LAB	lab(42.58, 45.52, 34.45)
CIE-LCH	lch(42.58, 57.09, 37.12°)
OKLab	oklab(52.23% 0.1305 0.0776)
OKLCH	oklch(52.23% 0.152 30.8)
XYZ	xyz(20.1224, 12.8755, 4.0099)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E2E #2EA0B0

analogous

#B02E5F #B03E2E #B07F2E

triadic

#B03E2E #2EB03E #3E2EB0

tetradic

#B03E2E #5FB02E #2EA0B0 #7F2EB0

square

#B03E2E #5FB02E #2EA0B0 #7F2EB0

split-complementary

#B03E2E #2EB07F #2E5FB0

monochromatic

#4F1C15 #7F2D21 #B03E2E #D05C4B #DD887C

Accessibility & contrast

On white

5.87

#B03E2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B03E2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E2E

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E2E	#FFFFFF	#000000	##FFFFFF
##B03E2E	1.00	5.87	3.57	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552C

Deuteranopia (green-blind)

#7A6E2A

Tritanopia (blue-blind)

#C2213B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03e2e;
/* rgb */ color: rgb(176, 62, 46);
/* oklch */ color: oklch(52.2% 0.152 30.8);

Tailwind

colors: {
  custom: {
    50: '#cf7967',
    500: '#b03e2e',
    950: '#000000',
  },
}

SCSS

$custom: #b03e2e;
$custom-light: #cf7967;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e2e",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 46
  },
  "hsl": {
    "h": 7.385,
    "s": 58.559,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52233,
    "c": 0.15181,
    "h": 30.8
  },
  "luminance": 0.12873
}

Semantic roles & 50–950 ramp

primary

#B03E2E

secondary

#75BBC5

accent

#CFE246

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03E2E

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

Preview Lab → · Contrast checker → · Palette generator →