#280F0B#280F0B

#280F0B is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.6% C 0.043 H 30.5°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#280F0B
RGB	rgb(40, 15, 11)
HSL	hsl(8, 57%, 10%)
HSV	hsv(8, 73%, 16%)
CMYK	cmyk(0%, 62.5%, 72.5%, 84.3%)
CIE-LAB	lab(7.38, 12.54, 6.77)
CIE-LCH	lch(7.38, 14.25, 28.37°)
OKLab	oklab(20.62% 0.037 0.0219)
OKLCH	oklch(20.62% 0.043 30.5)
XYZ	xyz(1.1064, 0.8170, 0.4160)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280F0B #0B2428

analogous

#280B15 #280F0B #281E0B

triadic

#280F0B #0B280F #0F0B28

tetradic

#280F0B #15280B #0B2428 #1E0B28

square

#280F0B #15280B #0B2428 #1E0B28

split-complementary

#280F0B #0B281E #0B1528

monochromatic

#180907 #180907 #280F0B #582118 #883325

Accessibility & contrast

On white

18.05

#280F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#280F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280F0B

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280F0B	#FFFFFF	#000000	##FFFFFF
##280F0B	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15130B

Deuteranopia (green-blind)

#1B180B

Tritanopia (blue-blind)

#2C0B0E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #280f0b;
/* rgb */ color: rgb(40, 15, 11);
/* oklch */ color: oklch(20.6% 0.043 30.5);

Tailwind

colors: {
  custom: {
    50: '#634e4b',
    500: '#280f0b',
    950: '#000000',
  },
}

SCSS

$custom: #280f0b;
$custom-light: #634e4b;
$custom-dark: #000000;

JSON

{
  "hex": "#280f0b",
  "rgb": {
    "r": 40,
    "g": 15,
    "b": 11
  },
  "hsl": {
    "h": 8.276,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.2062,
    "c": 0.04301,
    "h": 30.5
  },
  "luminance": 0.00817
}

Semantic roles & 50–950 ramp

primary

#280F0B

secondary

#2B5C64

accent

#CBE048

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280F0B

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

Preview Lab → · Contrast checker → · Palette generator →