#641523#641523

#641523 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.111 H 15.8°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#641523
RGB	rgb(100, 21, 35)
HSL	hsl(349, 65%, 24%)
HSV	hsv(349, 79%, 39%)
CMYK	cmyk(0%, 79%, 65%, 60.8%)
CIE-LAB	lab(21.46, 35.69, 12.41)
CIE-LCH	lch(21.46, 37.79, 19.18°)
OKLab	oklab(33.69% 0.1069 0.0303)
OKLCH	oklch(33.69% 0.111 15.8)
XYZ	xyz(5.8277, 3.3679, 1.9330)
Luminance	0.0337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641523 #156456

analogous

#64154A #641523 #642E15

triadic

#641523 #236415 #152364

tetradic

#641523 #4A6415 #156456 #2E1564

square

#641523 #4A6415 #156456 #2E1564

split-complementary

#641523 #15642E #154A64

monochromatic

#190509 #310A11 #641523 #972035 #C92A46

Accessibility & contrast

On white

12.55

#641523 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#641523 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641523

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641523	#FFFFFF	#000000	##FFFFFF
##641523	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2923

Deuteranopia (green-blind)

#3F3921

Tritanopia (blue-blind)

#6E001B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #641523;
/* rgb */ color: rgb(100, 21, 35);
/* oklch */ color: oklch(33.7% 0.111 15.8);

Tailwind

colors: {
  custom: {
    50: '#965a5d',
    500: '#641523',
    950: '#000000',
  },
}

SCSS

$custom: #641523;
$custom-light: #965a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641523",
  "rgb": {
    "r": 100,
    "g": 21,
    "b": 35
  },
  "hsl": {
    "h": 349.367,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3369,
    "c": 0.11108,
    "h": 15.8
  },
  "luminance": 0.03367
}

Semantic roles & 50–950 ramp

primary

#641523

secondary

#3A9B8A

accent

#E8CA40

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641523

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

Preview Lab → · Contrast checker → · Palette generator →