#250104#250104

#250104 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 17.0% C 0.065 H 20.4°. Best body text is #FFFFFF at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#250104
RGB	rgb(37, 1, 4)
HSL	hsl(355, 95%, 7%)
HSV	hsv(355, 97%, 15%)
CMYK	cmyk(0%, 97.3%, 89.2%, 85.5%)
CIE-LAB	lab(3.83, 16.09, 4.39)
CIE-LCH	lch(3.83, 16.68, 15.25°)
OKLab	oklab(16.99% 0.0606 0.0225)
OKLCH	oklch(16.99% 0.065 20.4)
XYZ	xyz(0.7958, 0.4239, 0.1548)
Luminance	0.0042 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250104 #012522

analogous

#250116 #250104 #251001

triadic

#250104 #042501 #010425

tetradic

#250104 #162501 #012522 #100125

square

#250104 #162501 #012522 #100125

split-complementary

#250104 #012510 #011625

monochromatic

#1E0103 #1E0103 #250104 #61030A #9C0411

Accessibility & contrast

On white

19.36

#250104 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#250104 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250104

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250104	#FFFFFF	#000000	##FFFFFF
##250104	1.00	19.36	1.08	19.36
#FFFFFF	19.36	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0804

Deuteranopia (green-blind)

#141103

Tritanopia (blue-blind)

#2A0002

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #250104;
/* rgb */ color: rgb(37, 1, 4);
/* oklch */ color: oklch(17.0% 0.065 20.4);

Tailwind

colors: {
  custom: {
    50: '#604648',
    500: '#250104',
    950: '#000000',
  },
}

SCSS

$custom: #250104;
$custom-light: #604648;
$custom-dark: #000000;

JSON

{
  "hex": "#250104",
  "rgb": {
    "r": 37,
    "g": 1,
    "b": 4
  },
  "hsl": {
    "h": 355,
    "s": 94.737,
    "l": 7.451
  },
  "oklch": {
    "l": 0.1699,
    "c": 0.0646,
    "h": 20.4
  },
  "luminance": 0.00424
}

Semantic roles & 50–950 ramp

primary

#250104

secondary

#166C65

accent

#FFED29

background

#F5F3F4

surface

#EAE5E6

border

#C6C1C2

text

#050000

muted

#797777

Preview Lab

Preview with #250104

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

Preview Lab → · Contrast checker → · Palette generator →