#250503#250503

#250503 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.9% C 0.056 H 29.7°. Best body text is #FFFFFF at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#250503
RGB	rgb(37, 5, 3)
HSL	hsl(4, 85%, 8%)
HSV	hsv(4, 92%, 15%)
CMYK	cmyk(0%, 86.5%, 91.9%, 85.5%)
CIE-LAB	lab(4.59, 14.35, 5.91)
CIE-LCH	lch(4.59, 15.52, 22.39°)
OKLab	oklab(17.85% 0.049 0.0279)
OKLCH	oklch(17.85% 0.056 29.7)
XYZ	xyz(0.8338, 0.5086, 0.1404)
Luminance	0.0051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250503 #032325

analogous

#250312 #250503 #251603

triadic

#250503 #032505 #050325

tetradic

#250503 #122503 #032325 #160325

square

#250503 #122503 #032325 #160325

split-complementary

#250503 #032516 #031225

monochromatic

#1C0402 #1C0402 #250503 #5E0D08 #96140C

Accessibility & contrast

On white

19.06

#250503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#250503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250503

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250503	#FFFFFF	#000000	##FFFFFF
##250503	1.00	19.06	1.10	19.06
#FFFFFF	19.06	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0B03

Deuteranopia (green-blind)

#161202

Tritanopia (blue-blind)

#2A0005

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #250503;
/* rgb */ color: rgb(37, 5, 3);
/* oklch */ color: oklch(17.9% 0.056 29.7);

Tailwind

colors: {
  custom: {
    50: '#604848',
    500: '#250503',
    950: '#000000',
  },
}

SCSS

$custom: #250503;
$custom-light: #604848;
$custom-dark: #000000;

JSON

{
  "hex": "#250503",
  "rgb": {
    "r": 37,
    "g": 5,
    "b": 3
  },
  "hsl": {
    "h": 3.529,
    "s": 85,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17853,
    "c": 0.05639,
    "h": 29.7
  },
  "luminance": 0.00508
}

Semantic roles & 50–950 ramp

primary

#250503

secondary

#1B6469

accent

#EFFB2D

background

#F5F4F4

surface

#EAE6E6

border

#C6C2C2

text

#050000

muted

#797777

Preview Lab

Preview with #250503

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

Preview Lab → · Contrast checker → · Palette generator →