#250403#250403

#250403 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.6% C 0.058 H 27.9°. Best body text is #FFFFFF at 19.14:1 contrast (WCAG AA passes).

Color values

HEX	#250403
RGB	rgb(37, 4, 3)
HSL	hsl(2, 85%, 8%)
HSV	hsv(2, 92%, 15%)
CMYK	cmyk(0%, 89.2%, 91.9%, 85.5%)
CIE-LAB	lab(4.40, 14.76, 5.62)
CIE-LCH	lch(4.40, 15.79, 20.87°)
OKLab	oklab(17.64% 0.0515 0.0272)
OKLCH	oklch(17.64% 0.058 27.9)
XYZ	xyz(0.8229, 0.4868, 0.1368)
Luminance	0.0049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250403 #032425

analogous

#250313 #250403 #251503

triadic

#250403 #032504 #040325

tetradic

#250403 #132503 #032425 #150325

square

#250403 #132503 #032425 #150325

split-complementary

#250403 #032515 #031325

monochromatic

#1C0302 #1C0302 #250403 #5E0A08 #96100C

Accessibility & contrast

On white

19.14

#250403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#250403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250403

19.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250403	#FFFFFF	#000000	##FFFFFF
##250403	1.00	19.14	1.10	19.14
#FFFFFF	19.14	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0A03

Deuteranopia (green-blind)

#151202

Tritanopia (blue-blind)

#2A0004

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #250403;
/* rgb */ color: rgb(37, 4, 3);
/* oklch */ color: oklch(17.6% 0.058 27.9);

Tailwind

colors: {
  custom: {
    50: '#604848',
    500: '#250403',
    950: '#000000',
  },
}

SCSS

$custom: #250403;
$custom-light: #604848;
$custom-dark: #000000;

JSON

{
  "hex": "#250403",
  "rgb": {
    "r": 37,
    "g": 4,
    "b": 3
  },
  "hsl": {
    "h": 1.765,
    "s": 85,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17638,
    "c": 0.05825,
    "h": 27.9
  },
  "luminance": 0.00487
}

Semantic roles & 50–950 ramp

primary

#250403

secondary

#1B6769

accent

#F5FB2D

background

#F5F4F4

surface

#EAE6E6

border

#C6C2C2

text

#050000

muted

#797777

Preview Lab

Preview with #250403

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

Preview Lab → · Contrast checker → · Palette generator →