#B0253F#B0253F

#B0253F is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.174 H 16.4°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B0253F
RGB	rgb(176, 37, 63)
HSL	hsl(349, 65%, 42%)
HSV	hsv(349, 79%, 69%)
CMYK	cmyk(0%, 79%, 64.2%, 31%)
CIE-LAB	lab(39.44, 55.77, 20.40)
CIE-LCH	lch(39.44, 59.38, 20.09°)
OKLab	oklab(49.98% 0.1665 0.0491)
OKLCH	oklch(49.98% 0.174 16.4)
XYZ	xyz(19.4654, 10.9151, 5.7835)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0253F #25B096

analogous

#B02585 #B0253F #B05125

triadic

#B0253F #3FB025 #253FB0

tetradic

#B0253F #85B025 #25B096 #5125B0

square

#B0253F #85B025 #25B096 #5125B0

split-complementary

#B0253F #25B051 #2585B0

monochromatic

#4B101B #7D1A2D #B0253F #D63C59 #E16F84

Accessibility & contrast

On white

6.60

#B0253F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B0253F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0253F

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0253F	#FFFFFF	#000000	##FFFFFF
##B0253F	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3F

Deuteranopia (green-blind)

#71673B

Tritanopia (blue-blind)

#C10030

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0253f;
/* rgb */ color: rgb(176, 37, 63);
/* oklch */ color: oklch(50.0% 0.174 16.4);

Tailwind

colors: {
  custom: {
    50: '#cf6d73',
    500: '#b0253f',
    950: '#000000',
  },
}

SCSS

$custom: #b0253f;
$custom-light: #cf6d73;
$custom-dark: #000000;

JSON

{
  "hex": "#b0253f",
  "rgb": {
    "r": 176,
    "g": 37,
    "b": 63
  },
  "hsl": {
    "h": 348.777,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49975,
    "c": 0.17361,
    "h": 16.4
  },
  "luminance": 0.10912
}

Semantic roles & 50–950 ramp

primary

#B0253F

secondary

#6AC7B6

accent

#E8C940

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B0253F

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

Preview Lab → · Contrast checker → · Palette generator →