#B12525#B12525

#B12525 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.176 H 26.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#B12525
RGB	rgb(177, 37, 37)
HSL	hsl(0, 65%, 42%)
HSV	hsv(0, 79%, 69%)
CMYK	cmyk(0%, 79.1%, 79.1%, 30.6%)
CIE-LAB	lab(39.25, 54.85, 36.03)
CIE-LCH	lch(39.25, 65.63, 33.30°)
OKLab	oklab(49.75% 0.1578 0.0786)
OKLCH	oklch(49.75% 0.176 26.5)
XYZ	xyz(19.1293, 10.8069, 2.8286)
Luminance	0.1080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12525 #25B1B1

analogous

#B1256B #B12525 #B16B25

triadic

#B12525 #25B125 #2525B1

tetradic

#B12525 #6BB125 #25B1B1 #6B25B1

square

#B12525 #6BB125 #25B1B1 #6B25B1

split-complementary

#B12525 #25B16B #256BB1

monochromatic

#4C1010 #7E1A1A #B12525 #D63D3D #E16F6F

Accessibility & contrast

On white

6.64

#B12525 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B12525 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12525

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12525	#FFFFFF	#000000	##FFFFFF
##B12525	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514923

Deuteranopia (green-blind)

#74671F

Tritanopia (blue-blind)

#C30027

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b12525;
/* rgb */ color: rgb(177, 37, 37);
/* oklch */ color: oklch(49.8% 0.176 26.5);

Tailwind

colors: {
  custom: {
    50: '#d26d60',
    500: '#b12525',
    950: '#000000',
  },
}

SCSS

$custom: #b12525;
$custom-light: #d26d60;
$custom-dark: #000000;

JSON

{
  "hex": "#b12525",
  "rgb": {
    "r": 177,
    "g": 37,
    "b": 37
  },
  "hsl": {
    "h": 0,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49752,
    "c": 0.17626,
    "h": 26.5
  },
  "luminance": 0.10804
}

Semantic roles & 50–950 ramp

primary

#B12525

secondary

#6AC8C8

accent

#E8E83F

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160805

muted

#847B79

Preview Lab

Preview with #B12525

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

Preview Lab → · Contrast checker → · Palette generator →