#280105#280105

#280105 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.8% C 0.068 H 19.4°. Best body text is #FFFFFF at 19.15:1 contrast (WCAG AA passes).

Color values

HEX	#280105
RGB	rgb(40, 1, 5)
HSL	hsl(354, 95%, 8%)
HSV	hsv(354, 98%, 16%)
CMYK	cmyk(0%, 97.5%, 87.5%, 84.3%)
CIE-LAB	lab(4.37, 18.50, 4.83)
CIE-LCH	lch(4.37, 19.12, 14.65°)
OKLab	oklab(17.77% 0.0641 0.0225)
OKLCH	oklch(17.77% 0.068 19.4)
XYZ	xyz(0.9134, 0.4839, 0.1889)
Luminance	0.0048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280105 #012824

analogous

#280118 #280105 #281001

triadic

#280105 #052801 #010528

tetradic

#280105 #182801 #012824 #100128

square

#280105 #182801 #012824 #100128

split-complementary

#280105 #012810 #011828

monochromatic

#1E0104 #1E0104 #280105 #64020C #9F0414

Accessibility & contrast

On white

19.15

#280105 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#280105 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280105

19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280105	#FFFFFF	#000000	##FFFFFF
##280105	1.00	19.15	1.10	19.15
#FFFFFF	19.15	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0905

Deuteranopia (green-blind)

#151204

Tritanopia (blue-blind)

#2D0003

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #280105;
/* rgb */ color: rgb(40, 1, 5);
/* oklch */ color: oklch(17.8% 0.068 19.4);

Tailwind

colors: {
  custom: {
    50: '#634649',
    500: '#280105',
    950: '#000000',
  },
}

SCSS

$custom: #280105;
$custom-light: #634649;
$custom-dark: #000000;

JSON

{
  "hex": "#280105",
  "rgb": {
    "r": 40,
    "g": 1,
    "b": 5
  },
  "hsl": {
    "h": 353.846,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.17766,
    "c": 0.06792,
    "h": 19.4
  },
  "luminance": 0.00484
}

Semantic roles & 50–950 ramp

primary

#280105

secondary

#166F66

accent

#FFE929

background

#F6F3F4

surface

#EBE5E6

border

#C6C1C2

text

#060000

muted

#7A7677

Preview Lab

Preview with #280105

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

Preview Lab → · Contrast checker → · Palette generator →