#51380C#51380C

#51380C is a dark, moderate orange. Relative luminance 0.046; OKLCH L 36.1% C 0.067 H 77.0°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#51380C
RGB	rgb(81, 56, 12)
HSL	hsl(38, 74%, 18%)
HSV	hsv(38, 85%, 32%)
CMYK	cmyk(0%, 30.9%, 85.2%, 68.2%)
CIE-LAB	lab(25.58, 6.55, 30.09)
CIE-LCH	lch(25.58, 30.79, 77.72°)
OKLab	oklab(36.08% 0.0152 0.0657)
OKLCH	oklch(36.08% 0.067 77)
XYZ	xyz(4.8742, 4.6046, 0.9798)
Luminance	0.0460 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51380C #0C2551

analogous

#51150C #51380C #47510C

triadic

#51380C #0C5138 #380C51

tetradic

#51380C #0C5115 #0C2551 #510C47

square

#51380C #0C5115 #0C2551 #510C47

split-complementary

#51380C #0C4751 #150C51

monochromatic

#1B1204 #1C1304 #51380C #865D14 #BC821C

Accessibility & contrast

On white

10.93

#51380C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#51380C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51380C

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51380C	#FFFFFF	#000000	##FFFFFF
##51380C	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413905

Deuteranopia (green-blind)

#473F0E

Tritanopia (blue-blind)

#59312F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #51380c;
/* rgb */ color: rgb(81, 56, 12);
/* oklch */ color: oklch(36.1% 0.067 77.0);

Tailwind

colors: {
  custom: {
    50: '#856e4e',
    500: '#51380c',
    950: '#000000',
  },
}

SCSS

$custom: #51380c;
$custom-light: #856e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#51380c",
  "rgb": {
    "r": 81,
    "g": 56,
    "b": 12
  },
  "hsl": {
    "h": 38.261,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.36083,
    "c": 0.0674,
    "h": 77
  },
  "luminance": 0.04604
}

Semantic roles & 50–950 ramp

primary

#51380C

secondary

#2C4F8C

accent

#7AF137

background

#F8F6F4

surface

#F0EBE7

border

#CBC6C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #51380C

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

Preview Lab → · Contrast checker → · Palette generator →