#391603#391603

#391603 is a very dark, moderate orange. Relative luminance 0.015; OKLCH L 25.0% C 0.063 H 47.2°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#391603
RGB	rgb(57, 22, 3)
HSL	hsl(21, 90%, 12%)
HSV	hsv(21, 95%, 22%)
CMYK	cmyk(0%, 61.4%, 94.7%, 77.6%)
CIE-LAB	lab(12.29, 15.89, 17.45)
CIE-LCH	lch(12.29, 23.60, 47.68°)
OKLab	oklab(24.98% 0.0429 0.0464)
OKLCH	oklch(24.98% 0.063 47.2)
XYZ	xyz(1.9909, 1.4505, 0.2613)
Luminance	0.0145 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391603 #032639

analogous

#39030B #391603 #393103

triadic

#391603 #033916 #160339

tetradic

#391603 #0B3903 #032639 #310339

square

#391603 #0B3903 #032639 #310339

split-complementary

#391603 #033931 #030B39

monochromatic

#1D0B02 #1D0B02 #391603 #732C06 #AD4309

Accessibility & contrast

On white

16.28

#391603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#391603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391603

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391603	#FFFFFF	#000000	##FFFFFF
##391603	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B01

Deuteranopia (green-blind)

#292302

Tritanopia (blue-blind)

#400E12

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #391603;
/* rgb */ color: rgb(57, 22, 3);
/* oklch */ color: oklch(25.0% 0.063 47.2);

Tailwind

colors: {
  custom: {
    50: '#735448',
    500: '#391603',
    950: '#000000',
  },
}

SCSS

$custom: #391603;
$custom-light: #735448;
$custom-dark: #000000;

JSON

{
  "hex": "#391603",
  "rgb": {
    "r": 57,
    "g": 22,
    "b": 3
  },
  "hsl": {
    "h": 21.111,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.24981,
    "c": 0.06318,
    "h": 47.2
  },
  "luminance": 0.0145
}

Semantic roles & 50–950 ramp

primary

#391603

secondary

#1C5A7C

accent

#B4FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090200

muted

#7B7877

Preview Lab

Preview with #391603

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

Preview Lab → · Contrast checker → · Palette generator →