#641511#641511

#641511 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.113 H 28.0°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#641511
RGB	rgb(100, 21, 17)
HSL	hsl(3, 71%, 23%)
HSV	hsv(3, 83%, 39%)
CMYK	cmyk(0%, 79%, 83%, 60.8%)
CIE-LAB	lab(21.16, 34.69, 24.06)
CIE-LCH	lch(21.16, 42.21, 34.74°)
OKLab	oklab(33.37% 0.0995 0.0528)
OKLCH	oklch(33.37% 0.113 28)
XYZ	xyz(5.6255, 3.2870, 0.8685)
Luminance	0.0329 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641511 #116064

analogous

#641136 #641511 #643F11

triadic

#641511 #116415 #151164

tetradic

#641511 #366411 #116064 #3F1164

square

#641511 #366411 #116064 #3F1164

split-complementary

#641511 #11643F #113664

monochromatic

#1A0504 #300A08 #641511 #98201A #CD2B23

Accessibility & contrast

On white

12.67

#641511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#641511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641511

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641511	#FFFFFF	#000000	##FFFFFF
##641511	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2810

Deuteranopia (green-blind)

#40390E

Tritanopia (blue-blind)

#6F0015

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #641511;
/* rgb */ color: rgb(100, 21, 17);
/* oklch */ color: oklch(33.4% 0.113 28.0);

Tailwind

colors: {
  custom: {
    50: '#97594f',
    500: '#641511',
    950: '#000000',
  },
}

SCSS

$custom: #641511;
$custom-light: #97594f;
$custom-dark: #000000;

JSON

{
  "hex": "#641511",
  "rgb": {
    "r": 100,
    "g": 21,
    "b": 17
  },
  "hsl": {
    "h": 2.892,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33368,
    "c": 0.1126,
    "h": 28
  },
  "luminance": 0.03286
}

Semantic roles & 50–950 ramp

primary

#641511

secondary

#35979C

accent

#E5EE3A

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641511

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

Preview Lab → · Contrast checker → · Palette generator →