#250901#250901

#250901 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.6% C 0.052 H 42.4°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#250901
RGB	rgb(37, 9, 1)
HSL	hsl(13, 95%, 7%)
HSV	hsv(13, 97%, 15%)
CMYK	cmyk(0%, 75.7%, 97.3%, 85.5%)
CIE-LAB	lab(5.34, 12.46, 7.81)
CIE-LCH	lch(5.34, 14.71, 32.09°)
OKLab	oklab(18.61% 0.0383 0.035)
OKLCH	oklch(18.61% 0.052 42.4)
XYZ	xyz(0.8662, 0.5910, 0.0972)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250901 #011D25

analogous

#25010B #250901 #251B01

triadic

#250901 #012509 #090125

tetradic

#250901 #0B2501 #011D25 #1B0125

square

#250901 #0B2501 #011D25 #1B0125

split-complementary

#250901 #01251B #010B25

monochromatic

#1E0701 #1E0701 #250901 #611703 #9C2604

Accessibility & contrast

On white

18.78

#250901 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#250901 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250901

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250901	#FFFFFF	#000000	##FFFFFF
##250901	1.00	18.78	1.12	18.78
#FFFFFF	18.78	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110E00

Deuteranopia (green-blind)

#181401

Tritanopia (blue-blind)

#2A0407

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #250901;
/* rgb */ color: rgb(37, 9, 1);
/* oklch */ color: oklch(18.6% 0.052 42.4);

Tailwind

colors: {
  custom: {
    50: '#604a47',
    500: '#250901',
    950: '#000000',
  },
}

SCSS

$custom: #250901;
$custom-light: #604a47;
$custom-dark: #000000;

JSON

{
  "hex": "#250901",
  "rgb": {
    "r": 37,
    "g": 9,
    "b": 1
  },
  "hsl": {
    "h": 13.333,
    "s": 94.737,
    "l": 7.451
  },
  "oklch": {
    "l": 0.18608,
    "c": 0.05192,
    "h": 42.4
  },
  "luminance": 0.00591
}

Semantic roles & 50–950 ramp

primary

#250901

secondary

#16596C

accent

#CFFF29

background

#F5F4F3

surface

#EAE7E5

border

#C6C3C1

text

#050100

muted

#797777

Preview Lab

Preview with #250901

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

Preview Lab → · Contrast checker → · Palette generator →