#400F10#400F10

#400F10 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.076 H 23.3°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#400F10
RGB	rgb(64, 15, 16)
HSL	hsl(359, 62%, 15%)
HSV	hsv(359, 77%, 25%)
CMYK	cmyk(0%, 76.6%, 75%, 74.9%)
CIE-LAB	lab(12.41, 23.79, 12.12)
CIE-LCH	lch(12.41, 26.70, 27.01°)
OKLab	oklab(25.41% 0.0699 0.03)
OKLCH	oklch(25.41% 0.076 23.3)
XYZ	xyz(2.3789, 1.4694, 0.6485)
Luminance	0.0147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F10 #0F403F

analogous

#400F28 #400F10 #40260F

triadic

#400F10 #10400F #0F1040

tetradic

#400F10 #28400F #0F403F #260F40

square

#400F10 #28400F #0F403F #260F40

split-complementary

#400F10 #0F4026 #0F2840

monochromatic

#190606 #190606 #400F10 #721B1C #A32629

Accessibility & contrast

On white

16.23

#400F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F10

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F10	#FFFFFF	#000000	##FFFFFF
##400F10	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1A10

Deuteranopia (green-blind)

#29240F

Tritanopia (blue-blind)

#470410

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400f10;
/* rgb */ color: rgb(64, 15, 16);
/* oklch */ color: oklch(25.4% 0.076 23.3);

Tailwind

colors: {
  custom: {
    50: '#79514e',
    500: '#400f10',
    950: '#000000',
  },
}

SCSS

$custom: #400f10;
$custom-light: #79514e;
$custom-dark: #000000;

JSON

{
  "hex": "#400f10",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 16
  },
  "hsl": {
    "h": 358.776,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25411,
    "c": 0.07609,
    "h": 23.3
  },
  "luminance": 0.01469
}

Semantic roles & 50–950 ramp

primary

#400F10

secondary

#307A79

accent

#E5E243

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400F10

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

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