#B12023#B12023

#B12023 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.4% C 0.180 H 26.1°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#B12023
RGB	rgb(177, 32, 35)
HSL	hsl(359, 69%, 41%)
HSV	hsv(359, 82%, 69%)
CMYK	cmyk(0%, 81.9%, 80.2%, 30.6%)
CIE-LAB	lab(38.73, 56.20, 36.63)
CIE-LCH	lch(38.73, 67.08, 33.10°)
OKLab	oklab(49.36% 0.1616 0.0793)
OKLCH	oklch(49.36% 0.18 26.1)
XYZ	xyz(18.9537, 10.5046, 2.6194)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12023 #20B1AE

analogous

#B1206B #B12023 #B16520

triadic

#B12023 #23B120 #2023B1

tetradic

#B12023 #6BB120 #20B1AE #6520B1

square

#B12023 #6BB120 #20B1AE #6520B1

split-complementary

#B12023 #20B165 #206BB1

monochromatic

#490D0F #7D1719 #B12023 #DA3437 #E4686A

Accessibility & contrast

On white

6.77

#B12023 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B12023 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12023

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12023	#FFFFFF	#000000	##FFFFFF
##B12023	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4721

Deuteranopia (green-blind)

#73661C

Tritanopia (blue-blind)

#C30023

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b12023;
/* rgb */ color: rgb(177, 32, 35);
/* oklch */ color: oklch(49.4% 0.180 26.1);

Tailwind

colors: {
  custom: {
    50: '#d26b5f',
    500: '#b12023',
    950: '#000000',
  },
}

SCSS

$custom: #b12023;
$custom-light: #d26b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b12023",
  "rgb": {
    "r": 177,
    "g": 32,
    "b": 35
  },
  "hsl": {
    "h": 358.759,
    "s": 69.378,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49359,
    "c": 0.17998,
    "h": 26.1
  },
  "luminance": 0.10501
}

Semantic roles & 50–950 ramp

primary

#B12023

secondary

#64C9C7

accent

#ECE93C

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B12023

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

Preview Lab → · Contrast checker → · Palette generator →