#B23F25#B23F25

#B23F25 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.155 H 34.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B23F25
RGB	rgb(178, 63, 37)
HSL	hsl(11, 66%, 42%)
HSV	hsv(11, 79%, 70%)
CMYK	cmyk(0%, 64.6%, 79.2%, 30.2%)
CIE-LAB	lab(43.00, 45.42, 39.93)
CIE-LCH	lch(43.00, 60.48, 41.32°)
OKLab	oklab(52.59% 0.1282 0.087)
OKLCH	oklch(52.59% 0.155 34.2)
XYZ	xyz(20.4738, 13.1565, 3.2113)
Luminance	0.1315 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F25 #2598B2

analogous

#B22552 #B23F25 #B28625

triadic

#B23F25 #25B23F #3F25B2

tetradic

#B23F25 #52B225 #2598B2 #8625B2

square

#B23F25 #52B225 #2598B2 #8625B2

split-complementary

#B23F25 #25B286 #2552B2

monochromatic

#4D1B10 #7F2D1A #B23F25 #D75A3D #E18570

Accessibility & contrast

On white

5.78

#B23F25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B23F25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F25

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F25	#FFFFFF	#000000	##FFFFFF
##B23F25	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605521

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#C4203A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f25;
/* rgb */ color: rgb(178, 63, 37);
/* oklch */ color: oklch(52.6% 0.155 34.2);

Tailwind

colors: {
  custom: {
    50: '#d17961',
    500: '#b23f25',
    950: '#000000',
  },
}

SCSS

$custom: #b23f25;
$custom-light: #d17961;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f25",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 37
  },
  "hsl": {
    "h": 11.064,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52588,
    "c": 0.15493,
    "h": 34.2
  },
  "luminance": 0.13154
}

Semantic roles & 50–950 ramp

primary

#B23F25

secondary

#6BB7C8

accent

#C9E93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23F25

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

Preview Lab → · Contrast checker → · Palette generator →