#2A0203#2A0203

#2A0203 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.4% C 0.068 H 25.3°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A0203
RGB	rgb(42, 2, 3)
HSL	hsl(359, 91%, 9%)
HSV	hsv(359, 95%, 16%)
CMYK	cmyk(0%, 95.2%, 92.9%, 83.5%)
CIE-LAB	lab(4.90, 19.22, 6.47)
CIE-LCH	lch(4.90, 20.28, 18.59°)
OKLab	oklab(18.4% 0.0619 0.0292)
OKLCH	oklch(18.4% 0.068 25.3)
XYZ	xyz(0.9931, 0.5424, 0.1385)
Luminance	0.0054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0203 #022A29

analogous

#2A0217 #2A0203 #2A1502

triadic

#2A0203 #032A02 #02032A

tetradic

#2A0203 #172A02 #022A29 #15022A

square

#2A0203 #172A02 #022A29 #15022A

split-complementary

#2A0203 #022A15 #02172A

monochromatic

#1D0102 #1D0102 #2A0203 #640507 #9F080B

Accessibility & contrast

On white

18.95

#2A0203 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2A0203 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0203

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0203	#FFFFFF	#000000	##FFFFFF
##2A0203	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)

#0D0B03

Deuteranopia (green-blind)

#171402

Tritanopia (blue-blind)

#2F0003

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2a0203;
/* rgb */ color: rgb(42, 2, 3);
/* oklch */ color: oklch(18.4% 0.068 25.3);

Tailwind

colors: {
  custom: {
    50: '#664748',
    500: '#2a0203',
    950: '#000000',
  },
}

SCSS

$custom: #2a0203;
$custom-light: #664748;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0203",
  "rgb": {
    "r": 42,
    "g": 2,
    "b": 3
  },
  "hsl": {
    "h": 358.5,
    "s": 90.909,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18402,
    "c": 0.06841,
    "h": 25.3
  },
  "luminance": 0.00542
}

Semantic roles & 50–950 ramp

primary

#2A0203

secondary

#196F6D

accent

#FFFA29

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2A0203

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

Preview Lab → · Contrast checker → · Palette generator →