#400F03#400F03

#400F03 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.079 H 36.0°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#400F03
RGB	rgb(64, 15, 3)
HSL	hsl(12, 91%, 13%)
HSV	hsv(12, 95%, 25%)
CMYK	cmyk(0%, 76.6%, 95.3%, 74.9%)
CIE-LAB	lab(12.21, 23.06, 17.59)
CIE-LCH	lch(12.21, 29.00, 37.33°)
OKLab	oklab(25.2% 0.0641 0.0466)
OKLCH	oklch(25.2% 0.079 36)
XYZ	xyz(2.3019, 1.4386, 0.2426)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F03 #033440

analogous

#400315 #400F03 #402D03

triadic

#400F03 #03400F #0F0340

tetradic

#400F03 #154003 #033440 #2D0340

square

#400F03 #154003 #033440 #2D0340

split-complementary

#400F03 #03402D #031540

monochromatic

#1D0701 #1D0701 #400F03 #7A1D06 #B52A08

Accessibility & contrast

On white

16.31

#400F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F03

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F03	#FFFFFF	#000000	##FFFFFF
##400F03	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1902

Deuteranopia (green-blind)

#2A2402

Tritanopia (blue-blind)

#47020C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400f03;
/* rgb */ color: rgb(64, 15, 3);
/* oklch */ color: oklch(25.2% 0.079 36.0);

Tailwind

colors: {
  custom: {
    50: '#7a5148',
    500: '#400f03',
    950: '#000000',
  },
}

SCSS

$custom: #400f03;
$custom-light: #7a5148;
$custom-dark: #000000;

JSON

{
  "hex": "#400f03",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 3
  },
  "hsl": {
    "h": 11.803,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.25197,
    "c": 0.07921,
    "h": 36
  },
  "luminance": 0.01438
}

Semantic roles & 50–950 ramp

primary

#400F03

secondary

#1D6E82

accent

#D5FF29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #400F03

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

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