#311F03#311F03

#311F03 is a dark, muted orange. Relative luminance 0.016; OKLCH L 25.6% C 0.050 H 74.8°. Best body text is #FFFFFF at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#311F03
RGB	rgb(49, 31, 3)
HSL	hsl(37, 88%, 10%)
HSV	hsv(37, 94%, 19%)
CMYK	cmyk(0%, 36.7%, 93.9%, 80.8%)
CIE-LAB	lab(13.47, 5.58, 18.80)
CIE-LCH	lch(13.47, 19.61, 73.46°)
OKLab	oklab(25.61% 0.0131 0.0483)
OKLCH	oklch(25.61% 0.05 74.8)
XYZ	xyz(1.7732, 1.6397, 0.3092)
Luminance	0.0164 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F03 #031531

analogous

#310803 #311F03 #2C3103

triadic

#311F03 #03311F #1F0331

tetradic

#311F03 #033108 #031531 #31032C

square

#311F03 #033108 #031531 #31032C

split-complementary

#311F03 #032C31 #080331

monochromatic

#1D1202 #1D1202 #311F03 #6B4307 #A4680A

Accessibility & contrast

On white

15.81

#311F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#311F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F03

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F03	#FFFFFF	#000000	##FFFFFF
##311F03	1.00	15.81	1.33	15.81
#FFFFFF	15.81	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252001

Deuteranopia (green-blind)

#2A2404

Tritanopia (blue-blind)

#361A19

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #311f03;
/* rgb */ color: rgb(49, 31, 3);
/* oklch */ color: oklch(25.6% 0.050 74.8);

Tailwind

colors: {
  custom: {
    50: '#6b5a48',
    500: '#311f03',
    950: '#000000',
  },
}

SCSS

$custom: #311f03;
$custom-light: #6b5a48;
$custom-dark: #000000;

JSON

{
  "hex": "#311f03",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 3
  },
  "hsl": {
    "h": 36.522,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.2561,
    "c": 0.04999,
    "h": 74.8
  },
  "luminance": 0.0164
}

Semantic roles & 50–950 ramp

primary

#311F03

secondary

#1B3E74

accent

#7DFF29

background

#F6F5F4

surface

#EBE9E6

border

#C6C5C2

text

#070300

muted

#7A7877

Preview Lab

Preview with #311F03

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

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