#250103#250103

#250103 is a very dark, moderate red. Relative luminance 0.004; OKLCH L 17.0% C 0.065 H 22.8°. Best body text is #FFFFFF at 19.37:1 contrast (WCAG AA passes).

Color values

HEX	#250103
RGB	rgb(37, 1, 3)
HSL	hsl(357, 95%, 7%)
HSV	hsv(357, 97%, 15%)
CMYK	cmyk(0%, 97.3%, 91.9%, 85.5%)
CIE-LAB	lab(3.81, 15.95, 4.77)
CIE-LCH	lch(3.81, 16.65, 16.63°)
OKLab	oklab(16.96% 0.0597 0.0251)
OKLCH	oklch(16.96% 0.065 22.8)
XYZ	xyz(0.7903, 0.4217, 0.1259)
Luminance	0.0042 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250103 #012523

analogous

#250115 #250103 #251101

triadic

#250103 #032501 #010325

tetradic

#250103 #152501 #012523 #110125

square

#250103 #152501 #012523 #110125

split-complementary

#250103 #012511 #011525

monochromatic

#1E0102 #1E0102 #250103 #610308 #9C040D

Accessibility & contrast

On white

19.37

#250103 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#250103 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250103

19.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250103	#FFFFFF	#000000	##FFFFFF
##250103	1.00	19.37	1.08	19.37
#FFFFFF	19.37	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0803

Deuteranopia (green-blind)

#141102

Tritanopia (blue-blind)

#2A0002

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #250103;
/* rgb */ color: rgb(37, 1, 3);
/* oklch */ color: oklch(17.0% 0.065 22.8);

Tailwind

colors: {
  custom: {
    50: '#604648',
    500: '#250103',
    950: '#000000',
  },
}

SCSS

$custom: #250103;
$custom-light: #604648;
$custom-dark: #000000;

JSON

{
  "hex": "#250103",
  "rgb": {
    "r": 37,
    "g": 1,
    "b": 3
  },
  "hsl": {
    "h": 356.667,
    "s": 94.737,
    "l": 7.451
  },
  "oklch": {
    "l": 0.16956,
    "c": 0.06473,
    "h": 22.8
  },
  "luminance": 0.00422
}

Semantic roles & 50–950 ramp

primary

#250103

secondary

#166C67

accent

#FFF329

background

#F5F3F4

surface

#EAE5E6

border

#C6C1C2

text

#050000

muted

#797777

Preview Lab

Preview with #250103

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

Preview Lab → · Contrast checker → · Palette generator →