#280402#280402

#280402 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.3% C 0.063 H 30.2°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#280402
RGB	rgb(40, 4, 2)
HSL	hsl(3, 90%, 8%)
HSV	hsv(3, 95%, 16%)
CMYK	cmyk(0%, 90%, 95%, 84.3%)
CIE-LAB	lab(4.90, 16.84, 6.83)
CIE-LCH	lch(4.90, 18.17, 22.08°)
OKLab	oklab(18.3% 0.0541 0.0315)
OKLCH	oklch(18.3% 0.063 30.2)
XYZ	xyz(0.9296, 0.5425, 0.1132)
Luminance	0.0054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280402 #022628

analogous

#280213 #280402 #281702

triadic

#280402 #022804 #040228

tetradic

#280402 #132802 #022628 #170228

square

#280402 #132802 #022628 #170228

split-complementary

#280402 #022817 #021328

monochromatic

#1D0301 #1D0301 #280402 #620A05 #9D1008

Accessibility & contrast

On white

18.95

#280402 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#280402 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280402

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280402	#FFFFFF	#000000	##FFFFFF
##280402	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0B02

Deuteranopia (green-blind)

#171401

Tritanopia (blue-blind)

#2D0004

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #280402;
/* rgb */ color: rgb(40, 4, 2);
/* oklch */ color: oklch(18.3% 0.063 30.2);

Tailwind

colors: {
  custom: {
    50: '#634848',
    500: '#280402',
    950: '#000000',
  },
}

SCSS

$custom: #280402;
$custom-light: #634848;
$custom-dark: #000000;

JSON

{
  "hex": "#280402",
  "rgb": {
    "r": 40,
    "g": 4,
    "b": 2
  },
  "hsl": {
    "h": 3.158,
    "s": 90.476,
    "l": 8.235
  },
  "oklch": {
    "l": 0.18303,
    "c": 0.06259,
    "h": 30.2
  },
  "luminance": 0.00542
}

Semantic roles & 50–950 ramp

primary

#280402

secondary

#19696D

accent

#F4FF29

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #280402

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

Preview Lab → · Contrast checker → · Palette generator →