#B23525#B23525

#B23525 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.164 H 30.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B23525
RGB	rgb(178, 53, 37)
HSL	hsl(7, 66%, 42%)
HSV	hsv(7, 79%, 70%)
CMYK	cmyk(0%, 70.2%, 79.2%, 30.2%)
CIE-LAB	lab(41.45, 49.61, 38.36)
CIE-LCH	lch(41.45, 62.71, 37.71°)
OKLab	oklab(51.43% 0.1412 0.0836)
OKLCH	oklch(51.43% 0.164 30.6)
XYZ	xyz(19.9694, 12.1478, 3.0432)
Luminance	0.1215 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23525 #25A2B2

analogous

#B2255B #B23525 #B27C25

triadic

#B23525 #25B235 #3525B2

tetradic

#B23525 #5BB225 #25A2B2 #7C25B2

square

#B23525 #5BB225 #25A2B2 #7C25B2

split-complementary

#B23525 #25B27C #255BB2

monochromatic

#4D1710 #7F261A #B23525 #D74F3D #E17D70

Accessibility & contrast

On white

6.12

#B23525 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B23525 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23525

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23525	#FFFFFF	#000000	##FFFFFF
##B23525	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5022

Deuteranopia (green-blind)

#796C20

Tritanopia (blue-blind)

#C40332

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23525;
/* rgb */ color: rgb(178, 53, 37);
/* oklch */ color: oklch(51.4% 0.164 30.6);

Tailwind

colors: {
  custom: {
    50: '#d27461',
    500: '#b23525',
    950: '#000000',
  },
}

SCSS

$custom: #b23525;
$custom-light: #d27461;
$custom-dark: #000000;

JSON

{
  "hex": "#b23525",
  "rgb": {
    "r": 178,
    "g": 53,
    "b": 37
  },
  "hsl": {
    "h": 6.809,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51425,
    "c": 0.1641,
    "h": 30.6
  },
  "luminance": 0.12145
}

Semantic roles & 50–950 ramp

primary

#B23525

secondary

#6BBDC8

accent

#D5E93F

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23525

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

Preview Lab → · Contrast checker → · Palette generator →