#B53A30#B53A30

#B53A30 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.161 H 28.4°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B53A30
RGB	rgb(181, 58, 48)
HSL	hsl(5, 58%, 45%)
HSV	hsv(5, 73%, 71%)
CMYK	cmyk(0%, 68%, 73.5%, 29%)
CIE-LAB	lab(42.86, 49.05, 33.88)
CIE-LCH	lch(42.86, 59.61, 34.63°)
OKLab	oklab(52.63% 0.1414 0.0765)
OKLCH	oklch(52.63% 0.161 28.4)
XYZ	xyz(21.1049, 13.0664, 4.2065)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A30 #30ABB5

analogous

#B53069 #B53A30 #B57C30

triadic

#B53A30 #30B53A #3A30B5

tetradic

#B53A30 #69B530 #30ABB5 #7C30B5

square

#B53A30 #69B530 #30ABB5 #7C30B5

split-complementary

#B53A30 #30B57C #3069B5

monochromatic

#541B16 #852A23 #B53A30 #D15B51 #DE8982

Accessibility & contrast

On white

5.81

#B53A30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B53A30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A30

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A30	#FFFFFF	#000000	##FFFFFF
##B53A30	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542E

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#C71539

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a30;
/* rgb */ color: rgb(181, 58, 48);
/* oklch */ color: oklch(52.6% 0.161 28.4);

Tailwind

colors: {
  custom: {
    50: '#d37769',
    500: '#b53a30',
    950: '#000000',
  },
}

SCSS

$custom: #b53a30;
$custom-light: #d37769;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a30",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 48
  },
  "hsl": {
    "h": 4.511,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52625,
    "c": 0.16074,
    "h": 28.4
  },
  "luminance": 0.13063
}

Semantic roles & 50–950 ramp

primary

#B53A30

secondary

#7AC1C7

accent

#D6E146

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53A30

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

Preview Lab → · Contrast checker → · Palette generator →