#641618#641618

#641618 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.111 H 24.2°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#641618
RGB	rgb(100, 22, 24)
HSL	hsl(358, 64%, 24%)
HSV	hsv(358, 78%, 39%)
CMYK	cmyk(0%, 78%, 76%, 60.8%)
CIE-LAB	lab(21.39, 34.62, 19.84)
CIE-LCH	lch(21.39, 39.90, 29.82°)
OKLab	oklab(33.58% 0.1009 0.0454)
OKLCH	oklch(33.58% 0.111 24.2)
XYZ	xyz(5.7080, 3.3500, 1.2100)
Luminance	0.0335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641618 #166462

analogous

#64163F #641618 #643B16

triadic

#641618 #186416 #161864

tetradic

#641618 #3F6416 #166462 #3B1664

square

#641618 #3F6416 #166462 #3B1664

split-complementary

#641618 #16643B #163F64

monochromatic

#190606 #320B0C #641618 #962124 #C82C30

Accessibility & contrast

On white

12.58

#641618 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#641618 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641618

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641618	#FFFFFF	#000000	##FFFFFF
##641618	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2917

Deuteranopia (green-blind)

#403915

Tritanopia (blue-blind)

#6F0018

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #641618;
/* rgb */ color: rgb(100, 22, 24);
/* oklch */ color: oklch(33.6% 0.111 24.2);

Tailwind

colors: {
  custom: {
    50: '#975a54',
    500: '#641618',
    950: '#000000',
  },
}

SCSS

$custom: #641618;
$custom-light: #975a54;
$custom-dark: #000000;

JSON

{
  "hex": "#641618",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 24
  },
  "hsl": {
    "h": 358.462,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33575,
    "c": 0.11065,
    "h": 24.2
  },
  "luminance": 0.03349
}

Semantic roles & 50–950 ramp

primary

#641618

secondary

#3B9B98

accent

#E7E341

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641618

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

Preview Lab → · Contrast checker → · Palette generator →