#270303#270303

#270303 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.9% C 0.063 H 26.3°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#270303
RGB	rgb(39, 3, 3)
HSL	hsl(0, 86%, 8%)
HSV	hsv(0, 92%, 15%)
CMYK	cmyk(0%, 92.3%, 92.3%, 84.7%)
CIE-LAB	lab(4.55, 16.66, 5.88)
CIE-LCH	lch(4.55, 17.67, 19.45°)
OKLab	oklab(17.89% 0.0563 0.0279)
OKLCH	oklch(17.89% 0.063 26.3)
XYZ	xyz(0.8858, 0.5032, 0.1366)
Luminance	0.0050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#270303 #032727

analogous

#270315 #270303 #271503

triadic

#270303 #032703 #030327

tetradic

#270303 #152703 #032727 #150327

square

#270303 #152703 #032727 #150327

split-complementary

#270303 #032715 #031527

monochromatic

#1C0202 #1C0202 #270303 #600707 #990C0C

Accessibility & contrast

On white

19.08

#270303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#270303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #270303

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##270303	#FFFFFF	#000000	##FFFFFF
##270303	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)

#0D0A03

Deuteranopia (green-blind)

#161302

Tritanopia (blue-blind)

#2C0003

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #270303;
/* rgb */ color: rgb(39, 3, 3);
/* oklch */ color: oklch(17.9% 0.063 26.3);

Tailwind

colors: {
  custom: {
    50: '#624748',
    500: '#270303',
    950: '#000000',
  },
}

SCSS

$custom: #270303;
$custom-light: #624748;
$custom-dark: #000000;

JSON

{
  "hex": "#270303",
  "rgb": {
    "r": 39,
    "g": 3,
    "b": 3
  },
  "hsl": {
    "h": 0,
    "s": 85.714,
    "l": 8.235
  },
  "oklch": {
    "l": 0.17891,
    "c": 0.06279,
    "h": 26.3
  },
  "luminance": 0.00503
}

Semantic roles & 50–950 ramp

primary

#270303

secondary

#1B6B6B

accent

#FCFC2C

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#050000

muted

#7A7777

Preview Lab

Preview with #270303

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

Preview Lab → · Contrast checker → · Palette generator →