#400F18#400F18

#400F18 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.076 H 13.5°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#400F18
RGB	rgb(64, 15, 24)
HSL	hsl(349, 62%, 15%)
HSV	hsv(349, 77%, 25%)
CMYK	cmyk(0%, 76.6%, 62.5%, 74.9%)
CIE-LAB	lab(12.59, 24.45, 7.08)
CIE-LCH	lch(12.59, 25.46, 16.16°)
OKLab	oklab(25.61% 0.0737 0.0177)
OKLCH	oklch(25.61% 0.076 13.5)
XYZ	xyz(2.4503, 1.4979, 1.0241)
Luminance	0.0150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F18 #0F4037

analogous

#400F30 #400F18 #401E0F

triadic

#400F18 #18400F #0F1840

tetradic

#400F18 #30400F #0F4037 #1E0F40

square

#400F18 #30400F #0F4037 #1E0F40

split-complementary

#400F18 #0F401E #0F3040

monochromatic

#190609 #190609 #400F18 #721B2B #A3263D

Accessibility & contrast

On white

16.16

#400F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#400F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F18

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F18	#FFFFFF	#000000	##FFFFFF
##400F18	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1A18

Deuteranopia (green-blind)

#282417

Tritanopia (blue-blind)

#470613

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #400f18;
/* rgb */ color: rgb(64, 15, 24);
/* oklch */ color: oklch(25.6% 0.076 13.5);

Tailwind

colors: {
  custom: {
    50: '#795154',
    500: '#400f18',
    950: '#000000',
  },
}

SCSS

$custom: #400f18;
$custom-light: #795154;
$custom-dark: #000000;

JSON

{
  "hex": "#400f18",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 24
  },
  "hsl": {
    "h": 348.98,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25607,
    "c": 0.07583,
    "h": 13.5
  },
  "luminance": 0.01498
}

Semantic roles & 50–950 ramp

primary

#400F18

secondary

#307A6D

accent

#E5C743

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #400F18

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

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