#310D01#310D01

#310D01 is a very dark, moderate orange. Relative luminance 0.009; OKLCH L 21.8% C 0.063 H 41.6°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#310D01
RGB	rgb(49, 13, 1)
HSL	hsl(15, 96%, 10%)
HSV	hsv(15, 98%, 19%)
CMYK	cmyk(0%, 73.5%, 98%, 80.8%)
CIE-LAB	lab(8.51, 17.39, 12.72)
CIE-LCH	lch(8.51, 21.55, 36.18°)
OKLab	oklab(21.78% 0.0474 0.0421)
OKLCH	oklch(21.78% 0.063 41.6)
XYZ	xyz(1.4162, 0.9432, 0.1362)
Luminance	0.0094 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D01 #012531

analogous

#31010D #310D01 #312501

triadic

#310D01 #01310D #0D0131

tetradic

#310D01 #0D3101 #012531 #250131

square

#310D01 #0D3101 #012531 #250131

split-complementary

#310D01 #013125 #010D31

monochromatic

#1E0801 #1E0801 #310D01 #6D1D02 #A92D03

Accessibility & contrast

On white

17.67

#310D01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310D01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D01

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D01	#FFFFFF	#000000	##FFFFFF
##310D01	1.00	17.67	1.19	17.67
#FFFFFF	17.67	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181300

Deuteranopia (green-blind)

#201C00

Tritanopia (blue-blind)

#37050A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310d01;
/* rgb */ color: rgb(49, 13, 1);
/* oklch */ color: oklch(21.8% 0.063 41.6);

Tailwind

colors: {
  custom: {
    50: '#6c4d47',
    500: '#310d01',
    950: '#000000',
  },
}

SCSS

$custom: #310d01;
$custom-light: #6c4d47;
$custom-dark: #000000;

JSON

{
  "hex": "#310d01",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 1
  },
  "hsl": {
    "h": 15,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.21784,
    "c": 0.0634,
    "h": 41.6
  },
  "luminance": 0.00943
}

Semantic roles & 50–950 ramp

primary

#310D01

secondary

#175F77

accent

#C9FF29

background

#F6F4F3

surface

#ECE7E5

border

#C7C3C1

text

#070100

muted

#7A7777

Preview Lab

Preview with #310D01

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

Preview Lab → · Contrast checker → · Palette generator →