#B13840#B13840

#B13840 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.156 H 20.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B13840
RGB	rgb(177, 56, 64)
HSL	hsl(356, 52%, 46%)
HSV	hsv(356, 68%, 69%)
CMYK	cmyk(0%, 68.4%, 63.8%, 30.6%)
CIE-LAB	lab(42.07, 49.40, 23.21)
CIE-LCH	lch(42.07, 54.58, 25.17°)
OKLab	oklab(51.98% 0.1462 0.0556)
OKLCH	oklch(51.98% 0.156 20.8)
XYZ	xyz(20.4731, 12.5485, 6.1935)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13840 #38B1A9

analogous

#B1387C #B13840 #B16C38

triadic

#B13840 #40B138 #3840B1

tetradic

#B13840 #7CB138 #38B1A9 #6C38B1

square

#B13840 #7CB138 #38B1A9 #6C38B1

split-complementary

#B13840 #38B16C #387CB1

monochromatic

#541B1E #83292F #B13840 #CB5B62 #DA8A8F

Accessibility & contrast

On white

5.98

#B13840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B13840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13840

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13840	#FFFFFF	#000000	##FFFFFF
##B13840	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533F

Deuteranopia (green-blind)

#776D3D

Tritanopia (blue-blind)

#C2193C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13840;
/* rgb */ color: rgb(177, 56, 64);
/* oklch */ color: oklch(52.0% 0.156 20.8);

Tailwind

colors: {
  custom: {
    50: '#cf7674',
    500: '#b13840',
    950: '#000000',
  },
}

SCSS

$custom: #b13840;
$custom-light: #cf7674;
$custom-dark: #000000;

JSON

{
  "hex": "#b13840",
  "rgb": {
    "r": 177,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 356.033,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51977,
    "c": 0.15642,
    "h": 20.8
  },
  "luminance": 0.12546
}

Semantic roles & 50–950 ramp

primary

#B13840

secondary

#81C4C0

accent

#DBD24C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13840

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

Preview Lab → · Contrast checker → · Palette generator →