#280007#280007

#280007 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.6% C 0.070 H 14.3°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#280007
RGB	rgb(40, 0, 7)
HSL	hsl(350, 100%, 8%)
HSV	hsv(350, 100%, 16%)
CMYK	cmyk(0%, 100%, 82.5%, 84.3%)
CIE-LAB	lab(4.21, 19.17, 3.79)
CIE-LCH	lch(4.21, 19.55, 11.19°)
OKLab	oklab(17.61% 0.0682 0.0174)
OKLCH	oklch(17.61% 0.07 14.3)
XYZ	xyz(0.9135, 0.4666, 0.2429)
Luminance	0.0047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280007 #002821

analogous

#28001B #280007 #280D00

triadic

#280007 #072800 #000728

tetradic

#280007 #1B2800 #002821 #0D0028

square

#280007 #1B2800 #002821 #0D0028

split-complementary

#280007 #00280D #001B28

monochromatic

#1F0005 #1F0005 #280007 #650012 #A2001C

Accessibility & contrast

On white

19.21

#280007 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#280007 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280007

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280007	#FFFFFF	#000000	##FFFFFF
##280007	1.00	19.21	1.09	19.21
#FFFFFF	19.21	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090907

Deuteranopia (green-blind)

#151206

Tritanopia (blue-blind)

#2D0002

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #280007;
/* rgb */ color: rgb(40, 0, 7);
/* oklch */ color: oklch(17.6% 0.070 14.3);

Tailwind

colors: {
  custom: {
    50: '#63464a',
    500: '#280007',
    950: '#000000',
  },
}

SCSS

$custom: #280007;
$custom-light: #63464a;
$custom-dark: #000000;

JSON

{
  "hex": "#280007",
  "rgb": {
    "r": 40,
    "g": 0,
    "b": 7
  },
  "hsl": {
    "h": 349.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17611,
    "c": 0.07039,
    "h": 14.3
  },
  "luminance": 0.00466
}

Semantic roles & 50–950 ramp

primary

#280007

secondary

#147060

accent

#FFDA29

background

#F6F3F4

surface

#EBE5E7

border

#C6C1C3

text

#060001

muted

#7A7677

Preview Lab

Preview with #280007

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

Preview Lab → · Contrast checker → · Palette generator →