#401B21#401B21

#401B21 is a dark, muted red. Relative luminance 0.020; OKLCH L 27.8% C 0.058 H 11.4°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#401B21
RGB	rgb(64, 27, 33)
HSL	hsl(350, 41%, 18%)
HSV	hsv(350, 58%, 25%)
CMYK	cmyk(0%, 57.8%, 48.4%, 74.9%)
CIE-LAB	lab(15.40, 18.72, 4.40)
CIE-LCH	lch(15.40, 19.23, 13.23°)
OKLab	oklab(27.8% 0.0567 0.0115)
OKLCH	oklch(27.8% 0.058 11.4)
XYZ	xyz(2.7810, 1.9839, 1.6750)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B21 #1B403A

analogous

#401B33 #401B21 #40271B

triadic

#401B21 #21401B #1B2140

tetradic

#401B21 #33401B #1B403A #271B40

square

#401B21 #33401B #1B403A #271B40

split-complementary

#401B21 #1B4027 #1B3340

monochromatic

#16090B #16090B #401B21 #6B2D37 #963F4D

Accessibility & contrast

On white

15.03

#401B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#401B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B21

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B21	#FFFFFF	#000000	##FFFFFF
##401B21	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222221

Deuteranopia (green-blind)

#2C2920

Tritanopia (blue-blind)

#46171D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #401b21;
/* rgb */ color: rgb(64, 27, 33);
/* oklch */ color: oklch(27.8% 0.058 11.4);

Tailwind

colors: {
  custom: {
    50: '#77585c',
    500: '#401b21',
    950: '#000000',
  },
}

SCSS

$custom: #401b21;
$custom-light: #77585c;
$custom-dark: #000000;

JSON

{
  "hex": "#401b21",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 33
  },
  "hsl": {
    "h": 350.27,
    "s": 40.659,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27797,
    "c": 0.05785,
    "h": 11.4
  },
  "luminance": 0.01984
}

Semantic roles & 50–950 ramp

primary

#401B21

secondary

#41756D

accent

#D1BD57

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090304

muted

#7B7879

Preview Lab

Preview with #401B21

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

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