#401003#401003

#401003 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.3% C 0.078 H 36.9°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#401003
RGB	rgb(64, 16, 3)
HSL	hsl(13, 91%, 13%)
HSV	hsv(13, 95%, 25%)
CMYK	cmyk(0%, 75%, 95.3%, 74.9%)
CIE-LAB	lab(12.40, 22.55, 17.84)
CIE-LCH	lch(12.40, 28.75, 38.35°)
OKLab	oklab(25.34% 0.0625 0.0469)
OKLCH	oklch(25.34% 0.078 36.9)
XYZ	xyz(2.3164, 1.4675, 0.2474)
Luminance	0.0147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401003 #033340

analogous

#400314 #401003 #402E03

triadic

#401003 #034010 #100340

tetradic

#401003 #144003 #033340 #2E0340

square

#401003 #144003 #033340 #2E0340

split-complementary

#401003 #03402E #031440

monochromatic

#1D0701 #1D0701 #401003 #7A1F06 #B52D08

Accessibility & contrast

On white

16.24

#401003 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#401003 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401003

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401003	#FFFFFF	#000000	##FFFFFF
##401003	1.00	16.24	1.29	16.24
#FFFFFF	16.24	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A02

Deuteranopia (green-blind)

#2A2402

Tritanopia (blue-blind)

#47030D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #401003;
/* rgb */ color: rgb(64, 16, 3);
/* oklch */ color: oklch(25.3% 0.078 36.9);

Tailwind

colors: {
  custom: {
    50: '#7a5148',
    500: '#401003',
    950: '#000000',
  },
}

SCSS

$custom: #401003;
$custom-light: #7a5148;
$custom-dark: #000000;

JSON

{
  "hex": "#401003",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 3
  },
  "hsl": {
    "h": 12.787,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.25338,
    "c": 0.07817,
    "h": 36.9
  },
  "luminance": 0.01467
}

Semantic roles & 50–950 ramp

primary

#401003

secondary

#1D6C82

accent

#D1FF29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #401003

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

Preview Lab → · Contrast checker → · Palette generator →