#B13127#B13127

#B13127 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.166 H 28.8°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B13127
RGB	rgb(177, 49, 39)
HSL	hsl(4, 64%, 42%)
HSV	hsv(4, 78%, 69%)
CMYK	cmyk(0%, 72.3%, 78%, 30.6%)
CIE-LAB	lab(40.72, 50.89, 36.44)
CIE-LCH	lch(40.72, 62.59, 35.61°)
OKLab	oklab(50.86% 0.1457 0.0801)
OKLCH	oklch(50.86% 0.166 28.8)
XYZ	xyz(19.5983, 11.6932, 3.1441)
Luminance	0.1169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13127 #27A7B1

analogous

#B12762 #B13127 #B17627

triadic

#B13127 #27B131 #3127B1

tetradic

#B13127 #62B127 #27A7B1 #7627B1

square

#B13127 #62B127 #27A7B1 #7627B1

split-complementary

#B13127 #27B176 #2762B1

monochromatic

#4D1511 #7F231C #B13127 #D54B40 #E07A72

Accessibility & contrast

On white

6.29

#B13127 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B13127 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13127

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13127	#FFFFFF	#000000	##FFFFFF
##B13127	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E25

Deuteranopia (green-blind)

#776A22

Tritanopia (blue-blind)

#C30030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13127;
/* rgb */ color: rgb(177, 49, 39);
/* oklch */ color: oklch(50.9% 0.166 28.8);

Tailwind

colors: {
  custom: {
    50: '#d17262',
    500: '#b13127',
    950: '#000000',
  },
}

SCSS

$custom: #b13127;
$custom-light: #d17262;
$custom-dark: #000000;

JSON

{
  "hex": "#b13127",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 39
  },
  "hsl": {
    "h": 4.348,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50855,
    "c": 0.16628,
    "h": 28.8
  },
  "luminance": 0.1169
}

Semantic roles & 50–950 ramp

primary

#B13127

secondary

#6DC1C7

accent

#DBE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B13127

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

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