#250404#250404

#250404 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.7% C 0.058 H 25.4°. Best body text is #FFFFFF at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#250404
RGB	rgb(37, 4, 4)
HSL	hsl(0, 80%, 8%)
HSV	hsv(0, 89%, 15%)
CMYK	cmyk(0%, 89.2%, 89.2%, 85.5%)
CIE-LAB	lab(4.42, 14.90, 5.25)
CIE-LCH	lch(4.42, 15.79, 19.41°)
OKLab	oklab(17.67% 0.0523 0.0248)
OKLCH	oklch(17.67% 0.058 25.4)
XYZ	xyz(0.8284, 0.4890, 0.1656)
Luminance	0.0049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250404 #042525

analogous

#250414 #250404 #251404

triadic

#250404 #042504 #040425

tetradic

#250404 #142504 #042525 #140425

square

#250404 #142504 #042525 #140425

split-complementary

#250404 #042514 #041425

monochromatic

#1C0303 #1C0303 #250404 #5C0A0A #931010

Accessibility & contrast

On white

19.13

#250404 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#250404 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250404

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250404	#FFFFFF	#000000	##FFFFFF
##250404	1.00	19.13	1.10	19.13
#FFFFFF	19.13	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0B04

Deuteranopia (green-blind)

#151203

Tritanopia (blue-blind)

#2A0004

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #250404;
/* rgb */ color: rgb(37, 4, 4);
/* oklch */ color: oklch(17.7% 0.058 25.4);

Tailwind

colors: {
  custom: {
    50: '#604848',
    500: '#250404',
    950: '#000000',
  },
}

SCSS

$custom: #250404;
$custom-light: #604848;
$custom-dark: #000000;

JSON

{
  "hex": "#250404",
  "rgb": {
    "r": 37,
    "g": 4,
    "b": 4
  },
  "hsl": {
    "h": 0,
    "s": 80.488,
    "l": 8.039
  },
  "oklch": {
    "l": 0.17669,
    "c": 0.05792,
    "h": 25.4
  },
  "luminance": 0.00489
}

Semantic roles & 50–950 ramp

primary

#250404

secondary

#1D6868

accent

#F7F731

background

#F5F4F4

surface

#EAE6E6

border

#C6C2C2

text

#050000

muted

#797777

Preview Lab

Preview with #250404

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

Preview Lab → · Contrast checker → · Palette generator →