#643911#643911

#643911 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.0% C 0.080 H 59.1°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#643911
RGB	rgb(100, 57, 17)
HSL	hsl(29, 71%, 23%)
HSV	hsv(29, 83%, 39%)
CMYK	cmyk(0%, 43%, 83%, 60.8%)
CIE-LAB	lab(28.58, 15.61, 31.55)
CIE-LCH	lch(28.58, 35.20, 63.67°)
OKLab	oklab(39.01% 0.0412 0.0689)
OKLCH	oklch(39.01% 0.08 59.1)
XYZ	xyz(6.8204, 5.6768, 1.2667)
Luminance	0.0568 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643911 #113C64

analogous

#641112 #643911 #646211

triadic

#643911 #116439 #391164

tetradic

#643911 #126411 #113C64 #621164

square

#643911 #126411 #113C64 #621164

split-complementary

#643911 #116462 #111264

monochromatic

#1A0F04 #301B08 #643911 #98571A #CD7523

Accessibility & contrast

On white

9.84

#643911 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#643911 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643911

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643911	#FFFFFF	#000000	##FFFFFF
##643911	1.00	9.84	2.14	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D0B

Deuteranopia (green-blind)

#504711

Tritanopia (blue-blind)

#6E2F31

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643911;
/* rgb */ color: rgb(100, 57, 17);
/* oklch */ color: oklch(39.0% 0.080 59.1);

Tailwind

colors: {
  custom: {
    50: '#956f52',
    500: '#643911',
    950: '#000000',
  },
}

SCSS

$custom: #643911;
$custom-light: #956f52;
$custom-dark: #000000;

JSON

{
  "hex": "#643911",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 17
  },
  "hsl": {
    "h": 28.916,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.39009,
    "c": 0.08026,
    "h": 59.1
  },
  "luminance": 0.05676
}

Semantic roles & 50–950 ramp

primary

#643911

secondary

#356A9C

accent

#97EE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643911

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

Preview Lab → · Contrast checker → · Palette generator →