#280506#280506

#280506 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.6% C 0.060 H 23.1°. Best body text is #FFFFFF at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#280506
RGB	rgb(40, 5, 6)
HSL	hsl(358, 78%, 9%)
HSV	hsv(358, 88%, 16%)
CMYK	cmyk(0%, 87.5%, 85%, 84.3%)
CIE-LAB	lab(5.17, 16.90, 5.60)
CIE-LCH	lch(5.17, 17.80, 18.34°)
OKLab	oklab(18.62% 0.0548 0.0234)
OKLCH	oklch(18.62% 0.06 23.1)
XYZ	xyz(0.9623, 0.5729, 0.2322)
Luminance	0.0057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280506 #052827

analogous

#280518 #280506 #281605

triadic

#280506 #062805 #050628

tetradic

#280506 #182805 #052827 #160528

square

#280506 #182805 #052827 #160528

split-complementary

#280506 #052816 #051828

monochromatic

#1B0304 #1B0304 #280506 #5E0C0E #951316

Accessibility & contrast

On white

18.84

#280506 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#280506 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280506

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280506	#FFFFFF	#000000	##FFFFFF
##280506	1.00	18.84	1.11	18.84
#FFFFFF	18.84	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C06

Deuteranopia (green-blind)

#171405

Tritanopia (blue-blind)

#2D0006

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #280506;
/* rgb */ color: rgb(40, 5, 6);
/* oklch */ color: oklch(18.6% 0.060 23.1);

Tailwind

colors: {
  custom: {
    50: '#644849',
    500: '#280506',
    950: '#000000',
  },
}

SCSS

$custom: #280506;
$custom-light: #644849;
$custom-dark: #000000;

JSON

{
  "hex": "#280506",
  "rgb": {
    "r": 40,
    "g": 5,
    "b": 6
  },
  "hsl": {
    "h": 358.286,
    "s": 77.778,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18617,
    "c": 0.05958,
    "h": 23.1
  },
  "luminance": 0.00573
}

Semantic roles & 50–950 ramp

primary

#280506

secondary

#1F6A68

accent

#F4EF34

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #280506

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

Preview Lab → · Contrast checker → · Palette generator →