#B53A27#B53A27

#B53A27 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.162 H 31.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B53A27
RGB	rgb(181, 58, 39)
HSL	hsl(8, 65%, 43%)
HSV	hsv(8, 78%, 71%)
CMYK	cmyk(0%, 68%, 78.5%, 29%)
CIE-LAB	lab(42.76, 48.69, 38.80)
CIE-LCH	lch(42.76, 62.25, 38.55°)
OKLab	oklab(52.52% 0.1384 0.0849)
OKLCH	oklch(52.52% 0.162 31.5)
XYZ	xyz(20.9377, 12.9995, 3.3257)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A27 #27A2B5

analogous

#B5275B #B53A27 #B58127

triadic

#B53A27 #27B53A #3A27B5

tetradic

#B53A27 #5BB527 #27A2B5 #8127B5

square

#B53A27 #5BB527 #27A2B5 #8127B5

split-complementary

#B53A27 #27B581 #275BB5

monochromatic

#501A11 #832A1C #B53A27 #D65743 #E18475

Accessibility & contrast

On white

5.83

#B53A27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B53A27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A27

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A27	#FFFFFF	#000000	##FFFFFF
##B53A27	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5424

Deuteranopia (green-blind)

#7C6F22

Tritanopia (blue-blind)

#C71237

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a27;
/* rgb */ color: rgb(181, 58, 39);
/* oklch */ color: oklch(52.5% 0.162 31.5);

Tailwind

colors: {
  custom: {
    50: '#d47763',
    500: '#b53a27',
    950: '#000000',
  },
}

SCSS

$custom: #b53a27;
$custom-light: #d47763;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a27",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 39
  },
  "hsl": {
    "h": 8.028,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52517,
    "c": 0.16236,
    "h": 31.5
  },
  "luminance": 0.12996
}

Semantic roles & 50–950 ramp

primary

#B53A27

secondary

#6FBDC9

accent

#D1E840

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B53A27

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

Preview Lab → · Contrast checker → · Palette generator →