#B43818#B43818

#B43818 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.166 H 34.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B43818
RGB	rgb(180, 56, 24)
HSL	hsl(12, 76%, 40%)
HSV	hsv(12, 87%, 71%)
CMYK	cmyk(0%, 68.9%, 86.7%, 29.4%)
CIE-LAB	lab(42.16, 48.71, 45.62)
CIE-LCH	lch(42.16, 66.74, 43.12°)
OKLab	oklab(51.99% 0.1359 0.0948)
OKLCH	oklch(51.99% 0.166 34.9)
XYZ	xyz(20.4039, 12.6007, 2.2218)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43818 #1894B4

analogous

#B41846 #B43818 #B48618

triadic

#B43818 #18B438 #3818B4

tetradic

#B43818 #46B418 #1894B4 #8618B4

square

#B43818 #46B418 #1894B4 #8618B4

split-complementary

#B43818 #18B486 #1846B4

monochromatic

#48160A #7E2711 #B43818 #E24D27 #E97A5D

Accessibility & contrast

On white

5.97

#B43818 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B43818 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43818

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43818	#FFFFFF	#000000	##FFFFFF
##B43818	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5212

Deuteranopia (green-blind)

#7B6E10

Tritanopia (blue-blind)

#C70832

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43818;
/* rgb */ color: rgb(180, 56, 24);
/* oklch */ color: oklch(52.0% 0.166 34.9);

Tailwind

colors: {
  custom: {
    50: '#d47659',
    500: '#b43818',
    950: '#000000',
  },
}

SCSS

$custom: #b43818;
$custom-light: #d47659;
$custom-dark: #000000;

JSON

{
  "hex": "#b43818",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 24
  },
  "hsl": {
    "h": 12.308,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.51989,
    "c": 0.16573,
    "h": 34.9
  },
  "luminance": 0.12598
}

Semantic roles & 50–950 ramp

primary

#B43818

secondary

#5BB6CD

accent

#CCF335

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43818

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

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