#B83A30#B83A30

#B83A30 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.164 H 28.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B83A30
RGB	rgb(184, 58, 48)
HSL	hsl(4, 59%, 45%)
HSV	hsv(4, 74%, 72%)
CMYK	cmyk(0%, 68.5%, 73.9%, 27.8%)
CIE-LAB	lab(43.41, 50.07, 34.64)
CIE-LCH	lch(43.41, 60.88, 34.68°)
OKLab	oklab(53.13% 0.1442 0.078)
OKLCH	oklch(53.13% 0.164 28.4)
XYZ	xyz(21.8161, 13.4331, 4.2398)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83A30 #30AEB8

analogous

#B8306A #B83A30 #B87E30

triadic

#B83A30 #30B83A #3A30B8

tetradic

#B83A30 #6AB830 #30AEB8 #7E30B8

square

#B83A30 #6AB830 #30AEB8 #7E30B8

split-complementary

#B83A30 #30B87E #306AB8

monochromatic

#571B17 #872B23 #B83A30 #D25C53 #DF8A84

Accessibility & contrast

On white

5.70

#B83A30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B83A30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83A30

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83A30	#FFFFFF	#000000	##FFFFFF
##B83A30	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552E

Deuteranopia (green-blind)

#7D712C

Tritanopia (blue-blind)

#CA1239

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83a30;
/* rgb */ color: rgb(184, 58, 48);
/* oklch */ color: oklch(53.1% 0.164 28.4);

Tailwind

colors: {
  custom: {
    50: '#d57869',
    500: '#b83a30',
    950: '#000000',
  },
}

SCSS

$custom: #b83a30;
$custom-light: #d57869;
$custom-dark: #000000;

JSON

{
  "hex": "#b83a30",
  "rgb": {
    "r": 184,
    "g": 58,
    "b": 48
  },
  "hsl": {
    "h": 4.412,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53134,
    "c": 0.16393,
    "h": 28.4
  },
  "luminance": 0.1343
}

Semantic roles & 50–950 ramp

primary

#B83A30

secondary

#7CC2C8

accent

#D6E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83A30

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

Preview Lab → · Contrast checker → · Palette generator →