#B53045#B53045

#B53045 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.169 H 16.7°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B53045
RGB	rgb(181, 48, 69)
HSL	hsl(351, 58%, 45%)
HSV	hsv(351, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 61.9%, 29%)
CIE-LAB	lab(41.80, 54.04, 19.91)
CIE-LCH	lch(41.80, 57.60, 20.23°)
OKLab	oklab(51.94% 0.1615 0.0484)
OKLCH	oklch(51.94% 0.169 16.7)
XYZ	xyz(21.1893, 12.3704, 6.9010)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53045 #30B5A0

analogous

#B53088 #B53045 #B55D30

triadic

#B53045 #45B530 #3045B5

tetradic

#B53045 #88B530 #30B5A0 #5D30B5

square

#B53045 #88B530 #30B5A0 #5D30B5

split-complementary

#B53045 #30B55D #3088B5

monochromatic

#541620 #852333 #B53045 #D15165 #DE8290

Accessibility & contrast

On white

6.05

#B53045 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B53045 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53045

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53045	#FFFFFF	#000000	##FFFFFF
##B53045	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545145

Deuteranopia (green-blind)

#766D41

Tritanopia (blue-blind)

#C60039

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53045;
/* rgb */ color: rgb(181, 48, 69);
/* oklch */ color: oklch(51.9% 0.169 16.7);

Tailwind

colors: {
  custom: {
    50: '#d27378',
    500: '#b53045',
    950: '#000000',
  },
}

SCSS

$custom: #b53045;
$custom-light: #d27378;
$custom-dark: #000000;

JSON

{
  "hex": "#b53045",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 69
  },
  "hsl": {
    "h": 350.526,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51937,
    "c": 0.16859,
    "h": 16.7
  },
  "luminance": 0.12367
}

Semantic roles & 50–950 ramp

primary

#B53045

secondary

#7AC7BB

accent

#E1C946

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B53045

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

Preview Lab → · Contrast checker → · Palette generator →