#250501#250501

#250501 is a very dark, muted red. Relative luminance 0.005; OKLCH L 17.8% C 0.058 H 35.0°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#250501
RGB	rgb(37, 5, 1)
HSL	hsl(7, 95%, 7%)
HSV	hsv(7, 97%, 15%)
CMYK	cmyk(0%, 86.5%, 97.3%, 85.5%)
CIE-LAB	lab(4.55, 14.07, 6.67)
CIE-LCH	lch(4.55, 15.57, 25.36°)
OKLab	oklab(17.79% 0.0472 0.033)
OKLCH	oklch(17.79% 0.058 35)
XYZ	xyz(0.8228, 0.5042, 0.0827)
Luminance	0.0050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#250501 #012125

analogous

#25010F #250501 #251701

triadic

#250501 #012505 #050125

tetradic

#250501 #0F2501 #012125 #170125

square

#250501 #0F2501 #012125 #170125

split-complementary

#250501 #012517 #010F25

monochromatic

#1E0401 #1E0401 #250501 #610D03 #9C1504

Accessibility & contrast

On white

19.08

#250501 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#250501 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #250501

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##250501	#FFFFFF	#000000	##FFFFFF
##250501	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0B01

Deuteranopia (green-blind)

#161200

Tritanopia (blue-blind)

#2A0004

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #250501;
/* rgb */ color: rgb(37, 5, 1);
/* oklch */ color: oklch(17.8% 0.058 35.0);

Tailwind

colors: {
  custom: {
    50: '#604847',
    500: '#250501',
    950: '#000000',
  },
}

SCSS

$custom: #250501;
$custom-light: #604847;
$custom-dark: #000000;

JSON

{
  "hex": "#250501",
  "rgb": {
    "r": 37,
    "g": 5,
    "b": 1
  },
  "hsl": {
    "h": 6.667,
    "s": 94.737,
    "l": 7.451
  },
  "oklch": {
    "l": 0.17792,
    "c": 0.05755,
    "h": 35
  },
  "luminance": 0.00504
}

Semantic roles & 50–950 ramp

primary

#250501

secondary

#16626C

accent

#E7FF29

background

#F5F4F3

surface

#EAE6E5

border

#C6C2C1

text

#050000

muted

#797777

Preview Lab

Preview with #250501

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

Preview Lab → · Contrast checker → · Palette generator →