#280107#280107

#280107 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.8% C 0.068 H 15.6°. Best body text is #FFFFFF at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#280107
RGB	rgb(40, 1, 7)
HSL	hsl(351, 95%, 8%)
HSV	hsv(351, 98%, 16%)
CMYK	cmyk(0%, 97.5%, 82.5%, 84.3%)
CIE-LAB	lab(4.41, 18.75, 4.08)
CIE-LCH	lch(4.41, 19.19, 12.27°)
OKLab	oklab(17.83% 0.0654 0.0183)
OKLCH	oklch(17.83% 0.068 15.6)
XYZ	xyz(0.9244, 0.4883, 0.2466)
Luminance	0.0049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280107 #012822

analogous

#28011A #280107 #280E01

triadic

#280107 #072801 #010728

tetradic

#280107 #1A2801 #012822 #0E0128

square

#280107 #1A2801 #012822 #0E0128

split-complementary

#280107 #01280E #011A28

monochromatic

#1E0105 #1E0105 #280107 #640211 #9F041C

Accessibility & contrast

On white

19.13

#280107 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#280107 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280107

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280107	#FFFFFF	#000000	##FFFFFF
##280107	1.00	19.13	1.10	19.13
#FFFFFF	19.13	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0907

Deuteranopia (green-blind)

#151206

Tritanopia (blue-blind)

#2D0003

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #280107;
/* rgb */ color: rgb(40, 1, 7);
/* oklch */ color: oklch(17.8% 0.068 15.6);

Tailwind

colors: {
  custom: {
    50: '#63464a',
    500: '#280107',
    950: '#000000',
  },
}

SCSS

$custom: #280107;
$custom-light: #63464a;
$custom-dark: #000000;

JSON

{
  "hex": "#280107",
  "rgb": {
    "r": 40,
    "g": 1,
    "b": 7
  },
  "hsl": {
    "h": 350.769,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.17828,
    "c": 0.06793,
    "h": 15.6
  },
  "luminance": 0.00488
}

Semantic roles & 50–950 ramp

primary

#280107

secondary

#166F61

accent

#FFDE29

background

#F6F3F4

surface

#EBE5E7

border

#C6C1C3

text

#060001

muted

#7A7677

Preview Lab

Preview with #280107

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

Preview Lab → · Contrast checker → · Palette generator →