#280001#280001

#280001 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.4% C 0.071 H 26.7°. Best body text is #FFFFFF at 19.26:1 contrast (WCAG AA passes).

Color values

HEX	#280001
RGB	rgb(40, 0, 1)
HSL	hsl(359, 100%, 8%)
HSV	hsv(359, 100%, 16%)
CMYK	cmyk(0%, 100%, 97.5%, 84.3%)
CIE-LAB	lab(4.10, 18.40, 6.06)
CIE-LCH	lch(4.10, 19.37, 18.24°)
OKLab	oklab(17.42% 0.0634 0.0319)
OKLCH	oklch(17.42% 0.071 26.7)
XYZ	xyz(0.8807, 0.4535, 0.0699)
Luminance	0.0045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280001 #002827

analogous

#280015 #280001 #281300

triadic

#280001 #012800 #000128

tetradic

#280001 #152800 #002827 #130028

square

#280001 #152800 #002827 #130028

split-complementary

#280001 #002813 #001528

monochromatic

#1F0001 #1F0001 #280001 #650003 #A20004

Accessibility & contrast

On white

19.26

#280001 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#280001 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280001

19.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280001	#FFFFFF	#000000	##FFFFFF
##280001	1.00	19.26	1.09	19.26
#FFFFFF	19.26	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0801

Deuteranopia (green-blind)

#151200

Tritanopia (blue-blind)

#2D0001

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #280001;
/* rgb */ color: rgb(40, 0, 1);
/* oklch */ color: oklch(17.4% 0.071 26.7);

Tailwind

colors: {
  custom: {
    50: '#634647',
    500: '#280001',
    950: '#000000',
  },
}

SCSS

$custom: #280001;
$custom-light: #634647;
$custom-dark: #000000;

JSON

{
  "hex": "#280001",
  "rgb": {
    "r": 40,
    "g": 0,
    "b": 1
  },
  "hsl": {
    "h": 358.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17417,
    "c": 0.07092,
    "h": 26.7
  },
  "luminance": 0.00453
}

Semantic roles & 50–950 ramp

primary

#280001

secondary

#14706E

accent

#FFFA29

background

#F6F3F3

surface

#EBE5E5

border

#C6C1C1

text

#060000

muted

#7A7677

Preview Lab

Preview with #280001

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

Preview Lab → · Contrast checker → · Palette generator →