#641423#641423

#641423 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.112 H 15.4°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#641423
RGB	rgb(100, 20, 35)
HSL	hsl(349, 67%, 24%)
HSV	hsv(349, 80%, 39%)
CMYK	cmyk(0%, 80%, 65%, 60.8%)
CIE-LAB	lab(21.33, 36.07, 12.24)
CIE-LCH	lch(21.33, 38.09, 18.74°)
OKLab	oklab(33.59% 0.1081 0.0298)
OKLCH	oklch(33.59% 0.112 15.4)
XYZ	xyz(5.8097, 3.3318, 1.9270)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641423 #146455

analogous

#64144B #641423 #642D14

triadic

#641423 #236414 #142364

tetradic

#641423 #4B6414 #146455 #2D1464

square

#641423 #4B6414 #146455 #2D1464

split-complementary

#641423 #14642D #144B64

monochromatic

#1A0509 #310A11 #641423 #971E35 #CA2847

Accessibility & contrast

On white

12.60

#641423 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#641423 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641423

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641423	#FFFFFF	#000000	##FFFFFF
##641423	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2923

Deuteranopia (green-blind)

#3F3921

Tritanopia (blue-blind)

#6E001A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #641423;
/* rgb */ color: rgb(100, 20, 35);
/* oklch */ color: oklch(33.6% 0.112 15.4);

Tailwind

colors: {
  custom: {
    50: '#965a5d',
    500: '#641423',
    950: '#000000',
  },
}

SCSS

$custom: #641423;
$custom-light: #965a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641423",
  "rgb": {
    "r": 100,
    "g": 20,
    "b": 35
  },
  "hsl": {
    "h": 348.75,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33591,
    "c": 0.11212,
    "h": 15.4
  },
  "luminance": 0.03331
}

Semantic roles & 50–950 ramp

primary

#641423

secondary

#389B89

accent

#EAC93E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641423

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

Preview Lab → · Contrast checker → · Palette generator →