#B1241B#B1241B

#B1241B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.6% C 0.178 H 29.0°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#B1241B
RGB	rgb(177, 36, 27)
HSL	hsl(4, 74%, 40%)
HSV	hsv(4, 85%, 69%)
CMYK	cmyk(0%, 79.7%, 84.7%, 30.6%)
CIE-LAB	lab(39.06, 54.85, 41.27)
CIE-LCH	lch(39.06, 68.65, 36.96°)
OKLab	oklab(49.58% 0.1558 0.0865)
OKLCH	oklch(49.58% 0.178 29)
XYZ	xyz(18.9625, 10.6911, 2.1018)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1241B #1BA8B1

analogous

#B11B5D #B1241B #B16F1B

triadic

#B1241B #1BB124 #241BB1

tetradic

#B1241B #5DB11B #1BA8B1 #6F1BB1

square

#B1241B #5DB11B #1BA8B1 #6F1BB1

split-complementary

#B1241B #1BB16F #1B5DB1

monochromatic

#470E0B #7C1913 #B1241B #DF352B #E76860

Accessibility & contrast

On white

6.69

#B1241B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B1241B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1241B

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1241B	#FFFFFF	#000000	##FFFFFF
##B1241B	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514818

Deuteranopia (green-blind)

#746712

Tritanopia (blue-blind)

#C30024

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b1241b;
/* rgb */ color: rgb(177, 36, 27);
/* oklch */ color: oklch(49.6% 0.178 29.0);

Tailwind

colors: {
  custom: {
    50: '#d26c59',
    500: '#b1241b',
    950: '#000000',
  },
}

SCSS

$custom: #b1241b;
$custom-light: #d26c59;
$custom-dark: #000000;

JSON

{
  "hex": "#b1241b",
  "rgb": {
    "r": 177,
    "g": 36,
    "b": 27
  },
  "hsl": {
    "h": 3.6,
    "s": 73.529,
    "l": 40
  },
  "oklch": {
    "l": 0.49575,
    "c": 0.17818,
    "h": 29
  },
  "luminance": 0.10688
}

Semantic roles & 50–950 ramp

primary

#B1241B

secondary

#5DC4CB

accent

#E5F038

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B1241B

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

Preview Lab → · Contrast checker → · Palette generator →