#B03C27#B03C27

#B03C27 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.155 H 32.5°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B03C27
RGB	rgb(176, 60, 39)
HSL	hsl(9, 64%, 42%)
HSV	hsv(9, 78%, 69%)
CMYK	cmyk(0%, 65.9%, 77.8%, 31%)
CIE-LAB	lab(42.17, 46.10, 37.90)
CIE-LCH	lch(42.17, 59.68, 39.42°)
OKLab	oklab(51.91% 0.1309 0.0834)
OKLCH	oklch(51.91% 0.155 32.5)
XYZ	xyz(19.8888, 12.6112, 3.3060)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03C27 #279BB0

analogous

#B02757 #B03C27 #B08127

triadic

#B03C27 #27B03C #3C27B0

tetradic

#B03C27 #57B027 #279BB0 #8127B0

square

#B03C27 #57B027 #279BB0 #8127B0

split-complementary

#B03C27 #27B081 #2757B0

monochromatic

#4C1A11 #7E2B1C #B03C27 #D55640 #E08372

Accessibility & contrast

On white

5.96

#B03C27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B03C27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03C27

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03C27	#FFFFFF	#000000	##FFFFFF
##B03C27	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5324

Deuteranopia (green-blind)

#7A6D23

Tritanopia (blue-blind)

#C21B38

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03c27;
/* rgb */ color: rgb(176, 60, 39);
/* oklch */ color: oklch(51.9% 0.155 32.5);

Tailwind

colors: {
  custom: {
    50: '#d07862',
    500: '#b03c27',
    950: '#000000',
  },
}

SCSS

$custom: #b03c27;
$custom-light: #d07862;
$custom-dark: #000000;

JSON

{
  "hex": "#b03c27",
  "rgb": {
    "r": 176,
    "g": 60,
    "b": 39
  },
  "hsl": {
    "h": 9.197,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51905,
    "c": 0.15517,
    "h": 32.5
  },
  "luminance": 0.12608
}

Semantic roles & 50–950 ramp

primary

#B03C27

secondary

#6CB9C7

accent

#CDE741

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03C27

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

Preview Lab → · Contrast checker → · Palette generator →