#311F01#311F01

#311F01 is a dark, muted orange. Relative luminance 0.016; OKLCH L 25.6% C 0.052 H 76.6°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#311F01
RGB	rgb(49, 31, 1)
HSL	hsl(38, 96%, 10%)
HSV	hsv(38, 98%, 19%)
CMYK	cmyk(0%, 36.7%, 98%, 80.8%)
CIE-LAB	lab(13.44, 5.42, 19.58)
CIE-LCH	lch(13.44, 20.32, 74.52°)
OKLab	oklab(25.58% 0.0121 0.0508)
OKLCH	oklch(25.58% 0.052 76.6)
XYZ	xyz(1.7622, 1.6353, 0.2515)
Luminance	0.0163 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F01 #011331

analogous

#310701 #311F01 #2B3101

triadic

#311F01 #01311F #1F0131

tetradic

#311F01 #013107 #011331 #31012B

square

#311F01 #013107 #011331 #31012B

split-complementary

#311F01 #012B31 #070131

monochromatic

#1E1301 #1E1301 #311F01 #6D4502 #A96B03

Accessibility & contrast

On white

15.83

#311F01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#311F01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F01

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F01	#FFFFFF	#000000	##FFFFFF
##311F01	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262000

Deuteranopia (green-blind)

#2A2402

Tritanopia (blue-blind)

#361A19

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #311f01;
/* rgb */ color: rgb(49, 31, 1);
/* oklch */ color: oklch(25.6% 0.052 76.6);

Tailwind

colors: {
  custom: {
    50: '#6b5a47',
    500: '#311f01',
    950: '#000000',
  },
}

SCSS

$custom: #311f01;
$custom-light: #6b5a47;
$custom-dark: #000000;

JSON

{
  "hex": "#311f01",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 1
  },
  "hsl": {
    "h": 37.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.25581,
    "c": 0.05221,
    "h": 76.6
  },
  "luminance": 0.01635
}

Semantic roles & 50–950 ramp

primary

#311F01

secondary

#173B77

accent

#79FF29

background

#F6F5F4

surface

#EBE9E6

border

#C6C5C2

text

#070300

muted

#7A7877

Preview Lab

Preview with #311F01

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

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