#4D310B#4D310B

#4D310B is a dark, moderate orange. Relative luminance 0.038; OKLCH L 33.9% C 0.065 H 69.8°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#4D310B
RGB	rgb(77, 49, 11)
HSL	hsl(35, 75%, 17%)
HSV	hsv(35, 86%, 30%)
CMYK	cmyk(0%, 36.4%, 85.7%, 69.8%)
CIE-LAB	lab(23.00, 8.96, 27.81)
CIE-LCH	lch(23.00, 29.22, 72.14°)
OKLab	oklab(33.95% 0.0224 0.061)
OKLCH	oklch(33.95% 0.065 69.8)
XYZ	xyz(4.2196, 3.7990, 0.8276)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D310B #0B274D

analogous

#4D100B #4D310B #484D0B

triadic

#4D310B #0B4D31 #310B4D

tetradic

#4D310B #0B4D10 #0B274D #4D0B48

square

#4D310B #0B4D10 #0B274D #4D0B48

split-complementary

#4D310B #0B484D #100B4D

monochromatic

#1B1104 #1B1104 #4D310B #835313 #B8751A

Accessibility & contrast

On white

11.93

#4D310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#4D310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D310B

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D310B	#FFFFFF	#000000	##FFFFFF
##4D310B	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3306

Deuteranopia (green-blind)

#41390C

Tritanopia (blue-blind)

#552A29

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #4d310b;
/* rgb */ color: rgb(77, 49, 11);
/* oklch */ color: oklch(33.9% 0.065 69.8);

Tailwind

colors: {
  custom: {
    50: '#82694d',
    500: '#4d310b',
    950: '#000000',
  },
}

SCSS

$custom: #4d310b;
$custom-light: #82694d;
$custom-dark: #000000;

JSON

{
  "hex": "#4d310b",
  "rgb": {
    "r": 77,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 34.545,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33946,
    "c": 0.06496,
    "h": 69.8
  },
  "luminance": 0.03799
}

Semantic roles & 50–950 ramp

primary

#4D310B

secondary

#2B5389

accent

#86F236

background

#F8F6F4

surface

#EFEBE7

border

#CAC6C3

text

#0B0601

muted

#7C7A77

Preview Lab

Preview with #4D310B

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

Preview Lab → · Contrast checker → · Palette generator →