#250004#250004

#250004 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.8% C 0.067 H 18.8°. Best body text is #FFFFFF at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#250004
RGB	rgb(37, 0, 4)
HSL	hsl(354, 100%, 7%)
HSV	hsv(354, 100%, 15%)
CMYK	cmyk(0%, 100%, 89.2%, 85.5%)
CIE-LAB	lab(3.63, 16.50, 4.10)
CIE-LCH	lch(3.63, 17.00, 13.97°)
OKLab	oklab(16.75% 0.0636 0.0216)
OKLCH	oklch(16.75% 0.067 18.8)
XYZ	xyz(0.7850, 0.4022, 0.1511)
Luminance	0.0040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250004 #002521

analogous

#250017 #250004 #250F00

triadic

#250004 #042500 #000425

tetradic

#250004 #172500 #002521 #0F0025

square

#250004 #172500 #002521 #0F0025

split-complementary

#250004 #00250F #001725

monochromatic

#1F0003 #1F0003 #250004 #62000B #9F0011

Accessibility & contrast

On white

19.44

#250004 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#250004 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250004

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250004	#FFFFFF	#000000	##FFFFFF
##250004	1.00	19.44	1.08	19.44
#FFFFFF	19.44	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080704

Deuteranopia (green-blind)

#131003

Tritanopia (blue-blind)

#2A0002

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #250004;
/* rgb */ color: rgb(37, 0, 4);
/* oklch */ color: oklch(16.8% 0.067 18.8);

Tailwind

colors: {
  custom: {
    50: '#604648',
    500: '#250004',
    950: '#000000',
  },
}

SCSS

$custom: #250004;
$custom-light: #604648;
$custom-dark: #000000;

JSON

{
  "hex": "#250004",
  "rgb": {
    "r": 37,
    "g": 0,
    "b": 4
  },
  "hsl": {
    "h": 353.514,
    "s": 100,
    "l": 7.255
  },
  "oklch": {
    "l": 0.1675,
    "c": 0.06716,
    "h": 18.8
  },
  "luminance": 0.00402
}

Semantic roles & 50–950 ramp

primary

#250004

secondary

#136D64

accent

#FFE829

background

#F5F3F4

surface

#EAE5E6

border

#C6C1C2

text

#050000

muted

#797777

Preview Lab

Preview with #250004

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

Preview Lab → · Contrast checker → · Palette generator →