#B12528#B12528

#B12528 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.176 H 25.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#B12528
RGB	rgb(177, 37, 40)
HSL	hsl(359, 65%, 42%)
HSV	hsv(359, 79%, 69%)
CMYK	cmyk(0%, 79.1%, 77.4%, 30.6%)
CIE-LAB	lab(39.29, 54.96, 34.34)
CIE-LCH	lch(39.29, 64.81, 32.00°)
OKLab	oklab(49.79% 0.1587 0.0758)
OKLCH	oklch(49.79% 0.176 25.5)
XYZ	xyz(19.1783, 10.8265, 3.0870)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12528 #25B1AE

analogous

#B1256E #B12528 #B16825

triadic

#B12528 #28B125 #2528B1

tetradic

#B12528 #6EB125 #25B1AE #6825B1

square

#B12528 #6EB125 #25B1AE #6825B1

split-complementary

#B12528 #25B168 #256EB1

monochromatic

#4C1011 #7E1A1D #B12528 #D63D40 #E16F72

Accessibility & contrast

On white

6.64

#B12528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B12528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12528

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12528	#FFFFFF	#000000	##FFFFFF
##B12528	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)

#514926

Deuteranopia (green-blind)

#736722

Tritanopia (blue-blind)

#C30028

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b12528;
/* rgb */ color: rgb(177, 37, 40);
/* oklch */ color: oklch(49.8% 0.176 25.5);

Tailwind

colors: {
  custom: {
    50: '#d16d62',
    500: '#b12528',
    950: '#000000',
  },
}

SCSS

$custom: #b12528;
$custom-light: #d16d62;
$custom-dark: #000000;

JSON

{
  "hex": "#b12528",
  "rgb": {
    "r": 177,
    "g": 37,
    "b": 40
  },
  "hsl": {
    "h": 358.714,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49787,
    "c": 0.17592,
    "h": 25.5
  },
  "luminance": 0.10823
}

Semantic roles & 50–950 ramp

primary

#B12528

secondary

#6AC8C6

accent

#E8E53F

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B12528

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

Preview Lab → · Contrast checker → · Palette generator →