#250003#250003

#250003 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 16.7% C 0.067 H 21.1°. Best body text is #FFFFFF at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#250003
RGB	rgb(37, 0, 3)
HSL	hsl(355, 100%, 7%)
HSV	hsv(355, 100%, 15%)
CMYK	cmyk(0%, 100%, 91.9%, 85.5%)
CIE-LAB	lab(3.61, 16.36, 4.48)
CIE-LCH	lch(3.61, 16.96, 15.32°)
OKLab	oklab(16.72% 0.0627 0.0243)
OKLCH	oklch(16.72% 0.067 21.1)
XYZ	xyz(0.7795, 0.4000, 0.1223)
Luminance	0.0040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250003 #002522

analogous

#250016 #250003 #251000

triadic

#250003 #032500 #000325

tetradic

#250003 #162500 #002522 #100025

square

#250003 #162500 #002522 #100025

split-complementary

#250003 #002510 #001625

monochromatic

#1F0002 #1F0002 #250003 #620008 #9F000D

Accessibility & contrast

On white

19.44

#250003 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#250003 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250003

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250003	#FFFFFF	#000000	##FFFFFF
##250003	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)

#090703

Deuteranopia (green-blind)

#131002

Tritanopia (blue-blind)

#2A0001

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #250003;
/* rgb */ color: rgb(37, 0, 3);
/* oklch */ color: oklch(16.7% 0.067 21.1);

Tailwind

colors: {
  custom: {
    50: '#604648',
    500: '#250003',
    950: '#000000',
  },
}

SCSS

$custom: #250003;
$custom-light: #604648;
$custom-dark: #000000;

JSON

{
  "hex": "#250003",
  "rgb": {
    "r": 37,
    "g": 0,
    "b": 3
  },
  "hsl": {
    "h": 355.135,
    "s": 100,
    "l": 7.255
  },
  "oklch": {
    "l": 0.16715,
    "c": 0.06724,
    "h": 21.1
  },
  "luminance": 0.004
}

Semantic roles & 50–950 ramp

primary

#250003

secondary

#136D66

accent

#FFEE29

background

#F5F3F4

surface

#EAE5E6

border

#C6C1C2

text

#050000

muted

#797777

Preview Lab

Preview with #250003

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

Preview Lab → · Contrast checker → · Palette generator →