#64391C#64391C

#64391C is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.1% C 0.074 H 52.8°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#64391C
RGB	rgb(100, 57, 28)
HSL	hsl(24, 56%, 25%)
HSV	hsv(24, 72%, 39%)
CMYK	cmyk(0%, 43%, 72%, 60.8%)
CIE-LAB	lab(28.70, 16.22, 25.76)
CIE-LCH	lch(28.70, 30.44, 57.80°)
OKLab	oklab(39.13% 0.0449 0.0591)
OKLCH	oklch(39.13% 0.074 52.8)
XYZ	xyz(6.9288, 5.7201, 1.8376)
Luminance	0.0572 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64391C #1C4764

analogous

#641C23 #64391C #645D1C

triadic

#64391C #1C6439 #391C64

tetradic

#64391C #23641C #1C4764 #5D1C64

square

#64391C #23641C #1C4764 #5D1C64

split-complementary

#64391C #1C645D #1C2364

monochromatic

#180E07 #341E0F #64391C #945429 #C47037

Accessibility & contrast

On white

9.80

#64391C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#64391C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64391C

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64391C	#FFFFFF	#000000	##FFFFFF
##64391C	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E19

Deuteranopia (green-blind)

#50471C

Tritanopia (blue-blind)

#6E3032

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #64391c;
/* rgb */ color: rgb(100, 57, 28);
/* oklch */ color: oklch(39.1% 0.074 52.8);

Tailwind

colors: {
  custom: {
    50: '#946f59',
    500: '#64391c',
    950: '#000000',
  },
}

SCSS

$custom: #64391c;
$custom-light: #946f59;
$custom-dark: #000000;

JSON

{
  "hex": "#64391c",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 28
  },
  "hsl": {
    "h": 24.167,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.39133,
    "c": 0.07416,
    "h": 52.8
  },
  "luminance": 0.05719
}

Semantic roles & 50–950 ramp

primary

#64391C

secondary

#437699

accent

#A3E048

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #64391C

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

Preview Lab → · Contrast checker → · Palette generator →