#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
RGBrgb(177, 36, 27)
HSLhsl(4, 74%, 40%)
HSVhsv(4, 85%, 69%)
CMYKcmyk(0%, 79.7%, 84.7%, 30.6%)
CIE-LABlab(39.06, 54.85, 41.27)
CIE-LCHlch(39.06, 68.65, 36.96°)
OKLaboklab(49.58% 0.1558 0.0865)
OKLCHoklch(49.58% 0.178 29)
XYZxyz(18.9625, 10.6911, 2.1018)
Luminance0.1069 (WCAG relative)
Temperaturewarm
Familyred

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
##B1241B1.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

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 →

#B1241B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva