#B0302D#B0302D

#B0302D is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.165 H 26.4°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#B0302D
RGB	rgb(176, 48, 45)
HSL	hsl(1, 59%, 43%)
HSV	hsv(1, 74%, 69%)
CMYK	cmyk(0%, 72.7%, 74.4%, 31%)
CIE-LAB	lab(40.47, 51.18, 32.67)
CIE-LCH	lch(40.47, 60.71, 32.55°)
OKLab	oklab(50.65% 0.148 0.0735)
OKLCH	oklch(50.65% 0.165 26.4)
XYZ	xyz(19.4373, 11.5364, 3.6854)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0302D #2DADB0

analogous

#B02D6B #B0302D #B0712D

triadic

#B0302D #2DB030 #302DB0

tetradic

#B0302D #6BB02D #2DADB0 #712DB0

square

#B0302D #6BB02D #2DADB0 #712DB0

split-complementary

#B0302D #2DB071 #2D6BB0

monochromatic

#4F1514 #7F2321 #B0302D #D14D4A #DD7D7A

Accessibility & contrast

On white

6.35

#B0302D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B0302D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0302D

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0302D	#FFFFFF	#000000	##FFFFFF
##B0302D	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2B

Deuteranopia (green-blind)

#756A28

Tritanopia (blue-blind)

#C20031

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b0302d;
/* rgb */ color: rgb(176, 48, 45);
/* oklch */ color: oklch(50.7% 0.165 26.4);

Tailwind

colors: {
  custom: {
    50: '#d07266',
    500: '#b0302d',
    950: '#000000',
  },
}

SCSS

$custom: #b0302d;
$custom-light: #d07266;
$custom-dark: #000000;

JSON

{
  "hex": "#b0302d",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 45
  },
  "hsl": {
    "h": 1.374,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50652,
    "c": 0.16525,
    "h": 26.4
  },
  "luminance": 0.11533
}

Semantic roles & 50–950 ramp

primary

#B0302D

secondary

#73C3C5

accent

#DFE245

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B0302D

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

Preview Lab → · Contrast checker → · Palette generator →