#400F15#400F15

#400F15 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.076 H 17.3°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#400F15
RGB	rgb(64, 15, 21)
HSL	hsl(353, 62%, 15%)
HSV	hsv(353, 77%, 25%)
CMYK	cmyk(0%, 76.6%, 67.2%, 74.9%)
CIE-LAB	lab(12.52, 24.18, 9.16)
CIE-LCH	lch(12.52, 25.86, 20.75°)
OKLab	oklab(25.53% 0.0723 0.0226)
OKLCH	oklch(25.53% 0.076 17.3)
XYZ	xyz(2.4208, 1.4861, 0.8687)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F15 #0F403A

analogous

#400F2D #400F15 #40210F

triadic

#400F15 #15400F #0F1540

tetradic

#400F15 #2D400F #0F403A #210F40

square

#400F15 #2D400F #0F403A #210F40

split-complementary

#400F15 #0F4021 #0F2D40

monochromatic

#190608 #190608 #400F15 #721B25 #A32636

Accessibility & contrast

On white

16.19

#400F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#400F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F15

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F15	#FFFFFF	#000000	##FFFFFF
##400F15	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1A15

Deuteranopia (green-blind)

#282414

Tritanopia (blue-blind)

#470511

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #400f15;
/* rgb */ color: rgb(64, 15, 21);
/* oklch */ color: oklch(25.5% 0.076 17.3);

Tailwind

colors: {
  custom: {
    50: '#795152',
    500: '#400f15',
    950: '#000000',
  },
}

SCSS

$custom: #400f15;
$custom-light: #795152;
$custom-dark: #000000;

JSON

{
  "hex": "#400f15",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 21
  },
  "hsl": {
    "h": 352.653,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25526,
    "c": 0.07572,
    "h": 17.3
  },
  "luminance": 0.01486
}

Semantic roles & 50–950 ramp

primary

#400F15

secondary

#307A71

accent

#E5D143

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #400F15

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

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