#270B03#270B03

#270B03 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.4% C 0.051 H 39.9°. Best body text is #FFFFFF at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#270B03
RGB	rgb(39, 11, 3)
HSL	hsl(13, 86%, 8%)
HSV	hsv(13, 92%, 15%)
CMYK	cmyk(0%, 71.8%, 92.3%, 84.7%)
CIE-LAB	lab(6.12, 13.22, 8.18)
CIE-LCH	lch(6.12, 15.55, 31.75°)
OKLab	oklab(19.45% 0.0389 0.0325)
OKLCH	oklch(19.45% 0.051 39.9)
XYZ	xyz(0.9729, 0.6774, 0.1656)
Luminance	0.0068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#270B03 #031F27

analogous

#27030D #270B03 #271D03

triadic

#270B03 #03270B #0B0327

tetradic

#270B03 #0D2703 #031F27 #1D0327

square

#270B03 #0D2703 #031F27 #1D0327

split-complementary

#270B03 #03271D #030D27

monochromatic

#1C0802 #1C0802 #270B03 #601B07 #992B0C

Accessibility & contrast

On white

18.50

#270B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#270B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #270B03

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##270B03	#FFFFFF	#000000	##FFFFFF
##270B03	1.00	18.50	1.14	18.50
#FFFFFF	18.50	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131002

Deuteranopia (green-blind)

#1A1603

Tritanopia (blue-blind)

#2C0509

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #270b03;
/* rgb */ color: rgb(39, 11, 3);
/* oklch */ color: oklch(19.4% 0.051 39.9);

Tailwind

colors: {
  custom: {
    50: '#624b48',
    500: '#270b03',
    950: '#000000',
  },
}

SCSS

$custom: #270b03;
$custom-light: #624b48;
$custom-dark: #000000;

JSON

{
  "hex": "#270b03",
  "rgb": {
    "r": 39,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 13.333,
    "s": 85.714,
    "l": 8.235
  },
  "oklch": {
    "l": 0.19447,
    "c": 0.0507,
    "h": 39.9
  },
  "luminance": 0.00677
}

Semantic roles & 50–950 ramp

primary

#270B03

secondary

#1B596B

accent

#CEFC2C

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#050100

muted

#7A7777

Preview Lab

Preview with #270B03

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

Preview Lab → · Contrast checker → · Palette generator →