#34010B#34010B

#34010B is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.8% C 0.081 H 15.4°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#34010B
RGB	rgb(52, 1, 11)
HSL	hsl(348, 96%, 10%)
HSV	hsv(348, 98%, 20%)
CMYK	cmyk(0%, 98.1%, 78.8%, 79.6%)
CIE-LAB	lab(7.01, 25.88, 6.54)
CIE-LCH	lch(7.01, 26.70, 14.18°)
OKLab	oklab(20.83% 0.0779 0.0215)
OKLCH	oklch(20.83% 0.081 15.4)
XYZ	xyz(1.4876, 0.7762, 0.3880)
Luminance	0.0078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34010B #01342A

analogous

#340124 #34010B #341001

triadic

#34010B #0B3401 #010B34

tetradic

#34010B #243401 #01342A #100134

square

#34010B #243401 #01342A #100134

split-complementary

#34010B #013410 #012434

monochromatic

#1E0106 #1E0106 #34010B #700218 #AC0324

Accessibility & contrast

On white

18.18

#34010B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#34010B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34010B

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34010B	#FFFFFF	#000000	##FFFFFF
##34010B	1.00	18.18	1.16	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0E0B

Deuteranopia (green-blind)

#1D1909

Tritanopia (blue-blind)

#3A0005

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #34010b;
/* rgb */ color: rgb(52, 1, 11);
/* oklch */ color: oklch(20.8% 0.081 15.4);

Tailwind

colors: {
  custom: {
    50: '#70474b',
    500: '#34010b',
    950: '#000000',
  },
}

SCSS

$custom: #34010b;
$custom-light: #70474b;
$custom-dark: #000000;

JSON

{
  "hex": "#34010b",
  "rgb": {
    "r": 52,
    "g": 1,
    "b": 11
  },
  "hsl": {
    "h": 348.235,
    "s": 96.226,
    "l": 10.392
  },
  "oklch": {
    "l": 0.20828,
    "c": 0.08082,
    "h": 15.4
  },
  "luminance": 0.00776
}

Semantic roles & 50–950 ramp

primary

#34010B

secondary

#187966

accent

#FFD529

background

#F7F4F4

surface

#EDE6E7

border

#C8C2C3

text

#080001

muted

#7B7777

Preview Lab

Preview with #34010B

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

Preview Lab → · Contrast checker → · Palette generator →