#B43018#B43018

#B43018 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.172 H 32.5°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B43018
RGB	rgb(180, 48, 24)
HSL	hsl(9, 76%, 40%)
HSV	hsv(9, 87%, 71%)
CMYK	cmyk(0%, 73.3%, 86.7%, 29.4%)
CIE-LAB	lab(41.03, 51.79, 44.68)
CIE-LCH	lch(41.03, 68.40, 40.79°)
OKLab	oklab(51.15% 0.1454 0.0926)
OKLCH	oklch(51.15% 0.172 32.5)
XYZ	xyz(20.0467, 11.8863, 2.1027)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43018 #189CB4

analogous

#B4184E #B43018 #B47E18

triadic

#B43018 #18B430 #3018B4

tetradic

#B43018 #4EB418 #189CB4 #7E18B4

square

#B43018 #4EB418 #189CB4 #7E18B4

split-complementary

#B43018 #18B47E #184EB4

monochromatic

#48130A #7E2211 #B43018 #E24427 #E9735D

Accessibility & contrast

On white

6.22

#B43018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B43018 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43018

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43018	#FFFFFF	#000000	##FFFFFF
##B43018	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E13

Deuteranopia (green-blind)

#796B0F

Tritanopia (blue-blind)

#C7002C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b43018;
/* rgb */ color: rgb(180, 48, 24);
/* oklch */ color: oklch(51.1% 0.172 32.5);

Tailwind

colors: {
  custom: {
    50: '#d47258',
    500: '#b43018',
    950: '#000000',
  },
}

SCSS

$custom: #b43018;
$custom-light: #d47258;
$custom-dark: #000000;

JSON

{
  "hex": "#b43018",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 24
  },
  "hsl": {
    "h": 9.231,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.5115,
    "c": 0.17242,
    "h": 32.5
  },
  "luminance": 0.11883
}

Semantic roles & 50–950 ramp

primary

#B43018

secondary

#5BBCCD

accent

#D6F335

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B43018

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

Preview Lab → · Contrast checker → · Palette generator →