#B03127#B03127

#B03127 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.7% C 0.165 H 28.8°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#B03127
RGB	rgb(176, 49, 39)
HSL	hsl(4, 64%, 42%)
HSV	hsv(4, 78%, 69%)
CMYK	cmyk(0%, 72.2%, 77.8%, 31%)
CIE-LAB	lab(40.53, 50.56, 36.18)
CIE-LCH	lch(40.53, 62.18, 35.59°)
OKLab	oklab(50.68% 0.1448 0.0796)
OKLCH	oklch(50.68% 0.165 28.8)
XYZ	xyz(19.3713, 11.5762, 3.1335)
Luminance	0.1157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03127 #27A6B0

analogous

#B02761 #B03127 #B07627

triadic

#B03127 #27B031 #3127B0

tetradic

#B03127 #61B027 #27A6B0 #7627B0

square

#B03127 #61B027 #27A6B0 #7627B0

split-complementary

#B03127 #27B076 #2761B0

monochromatic

#4C1511 #7E231C #B03127 #D54A40 #E07A72

Accessibility & contrast

On white

6.34

#B03127 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B03127 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03127

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03127	#FFFFFF	#000000	##FFFFFF
##B03127	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E25

Deuteranopia (green-blind)

#766A22

Tritanopia (blue-blind)

#C20030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03127;
/* rgb */ color: rgb(176, 49, 39);
/* oklch */ color: oklch(50.7% 0.165 28.8);

Tailwind

colors: {
  custom: {
    50: '#d07262',
    500: '#b03127',
    950: '#000000',
  },
}

SCSS

$custom: #b03127;
$custom-light: #d07262;
$custom-dark: #000000;

JSON

{
  "hex": "#b03127",
  "rgb": {
    "r": 176,
    "g": 49,
    "b": 39
  },
  "hsl": {
    "h": 4.38,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50678,
    "c": 0.16525,
    "h": 28.8
  },
  "luminance": 0.11573
}

Semantic roles & 50–950 ramp

primary

#B03127

secondary

#6CC0C7

accent

#DBE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B03127

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

Preview Lab → · Contrast checker → · Palette generator →