#400F17#400F17

#400F17 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.076 H 14.8°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#400F17
RGB	rgb(64, 15, 23)
HSL	hsl(350, 62%, 15%)
HSV	hsv(350, 77%, 25%)
CMYK	cmyk(0%, 76.6%, 64.1%, 74.9%)
CIE-LAB	lab(12.57, 24.36, 7.79)
CIE-LCH	lch(12.57, 25.58, 17.74°)
OKLab	oklab(25.58% 0.0732 0.0194)
OKLCH	oklch(25.58% 0.076 14.8)
XYZ	xyz(2.4401, 1.4938, 0.9703)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F17 #0F4038

analogous

#400F2F #400F17 #401F0F

triadic

#400F17 #17400F #0F1740

tetradic

#400F17 #2F400F #0F4038 #1F0F40

square

#400F17 #2F400F #0F4038 #1F0F40

split-complementary

#400F17 #0F401F #0F2F40

monochromatic

#190609 #190609 #400F17 #721B29 #A3263B

Accessibility & contrast

On white

16.17

#400F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#400F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F17

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F17	#FFFFFF	#000000	##FFFFFF
##400F17	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1A17

Deuteranopia (green-blind)

#282416

Tritanopia (blue-blind)

#470612

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #400f17;
/* rgb */ color: rgb(64, 15, 23);
/* oklch */ color: oklch(25.6% 0.076 14.8);

Tailwind

colors: {
  custom: {
    50: '#795153',
    500: '#400f17',
    950: '#000000',
  },
}

SCSS

$custom: #400f17;
$custom-light: #795153;
$custom-dark: #000000;

JSON

{
  "hex": "#400f17",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 23
  },
  "hsl": {
    "h": 350.204,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25579,
    "c": 0.07576,
    "h": 14.8
  },
  "luminance": 0.01493
}

Semantic roles & 50–950 ramp

primary

#400F17

secondary

#307A6E

accent

#E5CB43

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #400F17

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

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