#B04340#B04340

#B04340 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.1% C 0.143 H 24.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B04340
RGB	rgb(176, 67, 64)
HSL	hsl(2, 47%, 47%)
HSV	hsv(2, 64%, 69%)
CMYK	cmyk(0%, 61.9%, 63.6%, 31%)
CIE-LAB	lab(43.68, 44.26, 25.21)
CIE-LCH	lch(43.68, 50.94, 29.67°)
OKLab	oklab(53.15% 0.1301 0.0601)
OKLCH	oklch(53.15% 0.143 24.8)
XYZ	xyz(20.8391, 13.6173, 6.3806)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04340 #40ADB0

analogous

#B04075 #B04340 #B07B40

triadic

#B04340 #40B043 #4340B0

tetradic

#B04340 #75B040 #40ADB0 #7B40B0

square

#B04340 #75B040 #40ADB0 #7B40B0

split-complementary

#B04340 #40B07B #4075B0

monochromatic

#56211F #833230 #B04340 #C76866 #D89593

Accessibility & contrast

On white

5.64

#B04340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B04340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04340

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04340	#FFFFFF	#000000	##FFFFFF
##B04340	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F593F

Deuteranopia (green-blind)

#7A703D

Tritanopia (blue-blind)

#C12D43

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b04340;
/* rgb */ color: rgb(176, 67, 64);
/* oklch */ color: oklch(53.1% 0.143 24.8);

Tailwind

colors: {
  custom: {
    50: '#ce7c75',
    500: '#b04340',
    950: '#000000',
  },
}

SCSS

$custom: #b04340;
$custom-light: #ce7c75;
$custom-dark: #000000;

JSON

{
  "hex": "#b04340",
  "rgb": {
    "r": 176,
    "g": 67,
    "b": 64
  },
  "hsl": {
    "h": 1.607,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53146,
    "c": 0.14331,
    "h": 24.8
  },
  "luminance": 0.13615
}

Semantic roles & 50–950 ramp

primary

#B04340

secondary

#89C1C3

accent

#D3D651

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B04340

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

Preview Lab → · Contrast checker → · Palette generator →