#B03123#B03123

#B03123 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.166 H 30.1°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#B03123
RGB	rgb(176, 49, 35)
HSL	hsl(6, 67%, 41%)
HSV	hsv(6, 80%, 69%)
CMYK	cmyk(0%, 72.2%, 80.1%, 31%)
CIE-LAB	lab(40.49, 50.42, 38.35)
CIE-LCH	lch(40.49, 63.35, 37.26°)
OKLab	oklab(50.64% 0.1436 0.0831)
OKLCH	oklch(50.64% 0.166 30.1)
XYZ	xyz(19.3085, 11.5511, 2.8027)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03123 #23A2B0

analogous

#B0235C #B03123 #B07823

triadic

#B03123 #23B031 #3123B0

tetradic

#B03123 #5CB023 #23A2B0 #7823B0

square

#B03123 #5CB023 #23A2B0 #7823B0

split-complementary

#B03123 #23B078 #235CB0

monochromatic

#4A150F #7D2319 #B03123 #D84839 #E2776C

Accessibility & contrast

On white

6.35

#B03123 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B03123 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03123

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03123	#FFFFFF	#000000	##FFFFFF
##B03123	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E20

Deuteranopia (green-blind)

#766A1D

Tritanopia (blue-blind)

#C2002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b03123;
/* rgb */ color: rgb(176, 49, 35);
/* oklch */ color: oklch(50.6% 0.166 30.1);

Tailwind

colors: {
  custom: {
    50: '#d0725f',
    500: '#b03123',
    950: '#000000',
  },
}

SCSS

$custom: #b03123;
$custom-light: #d0725f;
$custom-dark: #000000;

JSON

{
  "hex": "#b03123",
  "rgb": {
    "r": 176,
    "g": 49,
    "b": 35
  },
  "hsl": {
    "h": 5.957,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50635,
    "c": 0.16588,
    "h": 30.1
  },
  "luminance": 0.11548
}

Semantic roles & 50–950 ramp

primary

#B03123

secondary

#67BEC8

accent

#D9EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160805

muted

#847B79

Preview Lab

Preview with #B03123

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

Preview Lab → · Contrast checker → · Palette generator →