#B02523#B02523

#B02523 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.176 H 27.1°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#B02523
RGB	rgb(176, 37, 35)
HSL	hsl(1, 67%, 41%)
HSV	hsv(1, 80%, 69%)
CMYK	cmyk(0%, 79%, 80.1%, 31%)
CIE-LAB	lab(39.03, 54.49, 36.87)
CIE-LCH	lch(39.03, 65.79, 34.09°)
OKLab	oklab(49.55% 0.1563 0.0799)
OKLCH	oklch(49.55% 0.176 27.1)
XYZ	xyz(18.8717, 10.6776, 2.6571)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02523 #23AEB0

analogous

#B02368 #B02523 #B06C23

triadic

#B02523 #23B025 #2523B0

tetradic

#B02523 #68B023 #23AEB0 #6C23B0

square

#B02523 #68B023 #23AEB0 #6C23B0

split-complementary

#B02523 #23B06C #2368B0

monochromatic

#4A100F #7D1A19 #B02523 #D83B39 #E26D6C

Accessibility & contrast

On white

6.70

#B02523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B02523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02523

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02523	#FFFFFF	#000000	##FFFFFF
##B02523	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514921

Deuteranopia (green-blind)

#73671D

Tritanopia (blue-blind)

#C20027

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b02523;
/* rgb */ color: rgb(176, 37, 35);
/* oklch */ color: oklch(49.5% 0.176 27.1);

Tailwind

colors: {
  custom: {
    50: '#d16d5f',
    500: '#b02523',
    950: '#000000',
  },
}

SCSS

$custom: #b02523;
$custom-light: #d16d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b02523",
  "rgb": {
    "r": 176,
    "g": 37,
    "b": 35
  },
  "hsl": {
    "h": 0.851,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49545,
    "c": 0.17553,
    "h": 27.1
  },
  "luminance": 0.10675
}

Semantic roles & 50–950 ramp

primary

#B02523

secondary

#67C6C8

accent

#E7EA3E

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B02523

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

Preview Lab → · Contrast checker → · Palette generator →