#641A15#641A15

#641A15 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 28.1°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#641A15
RGB	rgb(100, 26, 21)
HSL	hsl(4, 65%, 24%)
HSV	hsv(4, 79%, 39%)
CMYK	cmyk(0%, 74%, 79%, 60.8%)
CIE-LAB	lab(21.96, 32.80, 22.44)
CIE-LCH	lch(21.96, 39.75, 34.38°)
OKLab	oklab(33.98% 0.0945 0.0504)
OKLCH	oklch(33.98% 0.107 28.1)
XYZ	xyz(5.7609, 3.5031, 1.0821)
Luminance	0.0350 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A15 #155F64

analogous

#641537 #641A15 #644115

triadic

#641A15 #15641A #1A1564

tetradic

#641A15 #376415 #155F64 #411564

square

#641A15 #376415 #155F64 #411564

split-complementary

#641A15 #156441 #153764

monochromatic

#190705 #310D0A #641A15 #972720 #C9342A

Accessibility & contrast

On white

12.35

#641A15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#641A15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A15

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A15	#FFFFFF	#000000	##FFFFFF
##641A15	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A14

Deuteranopia (green-blind)

#423A12

Tritanopia (blue-blind)

#6F021A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641a15;
/* rgb */ color: rgb(100, 26, 21);
/* oklch */ color: oklch(34.0% 0.107 28.1);

Tailwind

colors: {
  custom: {
    50: '#975c52',
    500: '#641a15',
    950: '#000000',
  },
}

SCSS

$custom: #641a15;
$custom-light: #975c52;
$custom-dark: #000000;

JSON

{
  "hex": "#641a15",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 21
  },
  "hsl": {
    "h": 3.797,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3398,
    "c": 0.10705,
    "h": 28.1
  },
  "luminance": 0.03502
}

Semantic roles & 50–950 ramp

primary

#641A15

secondary

#3A959B

accent

#DEE840

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641A15

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

Preview Lab → · Contrast checker → · Palette generator →