#641510#641510

#641510 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.113 H 28.5°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#641510
RGB	rgb(100, 21, 16)
HSL	hsl(4, 72%, 23%)
HSV	hsv(4, 84%, 39%)
CMYK	cmyk(0%, 79%, 84%, 60.8%)
CIE-LAB	lab(21.15, 34.65, 24.61)
CIE-LCH	lch(21.15, 42.50, 35.39°)
OKLab	oklab(33.36% 0.0991 0.0538)
OKLCH	oklch(33.36% 0.113 28.5)
XYZ	xyz(5.6179, 3.2839, 0.8282)
Luminance	0.0328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641510 #105F64

analogous

#641035 #641510 #643F10

triadic

#641510 #106415 #151064

tetradic

#641510 #356410 #105F64 #3F1064

square

#641510 #356410 #105F64 #3F1064

split-complementary

#641510 #10643F #103564

monochromatic

#1A0604 #2F0A08 #641510 #992018 #CE2B21

Accessibility & contrast

On white

12.68

#641510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#641510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641510

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641510	#FFFFFF	#000000	##FFFFFF
##641510	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D280F

Deuteranopia (green-blind)

#41390C

Tritanopia (blue-blind)

#6F0015

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #641510;
/* rgb */ color: rgb(100, 21, 16);
/* oklch */ color: oklch(33.4% 0.113 28.5);

Tailwind

colors: {
  custom: {
    50: '#97594f',
    500: '#641510',
    950: '#000000',
  },
}

SCSS

$custom: #641510;
$custom-light: #97594f;
$custom-dark: #000000;

JSON

{
  "hex": "#641510",
  "rgb": {
    "r": 100,
    "g": 21,
    "b": 16
  },
  "hsl": {
    "h": 3.571,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33356,
    "c": 0.11276,
    "h": 28.5
  },
  "luminance": 0.03283
}

Semantic roles & 50–950 ramp

primary

#641510

secondary

#33969D

accent

#E4EF39

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641510

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

Preview Lab → · Contrast checker → · Palette generator →