#673F0F#673F0F

#673F0F is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.6% C 0.082 H 65.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#673F0F
RGB	rgb(103, 63, 15)
HSL	hsl(33, 75%, 23%)
HSV	hsv(33, 85%, 40%)
CMYK	cmyk(0%, 38.8%, 85.4%, 59.6%)
CIE-LAB	lab(30.58, 13.29, 34.49)
CIE-LCH	lch(30.58, 36.97, 68.93°)
OKLab	oklab(40.64% 0.0338 0.0745)
OKLCH	oklch(40.64% 0.082 65.6)
XYZ	xyz(7.4579, 6.4738, 1.3087)
Luminance	0.0647 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673F0F #0F3767

analogous

#67130F #673F0F #63670F

triadic

#673F0F #0F673F #3F0F67

tetradic

#673F0F #0F6713 #0F3767 #670F63

square

#673F0F #0F6713 #0F3767 #670F63

split-complementary

#673F0F #0F6367 #130F67

monochromatic

#1B1004 #321E07 #673F0F #9C6017 #D2801F

Accessibility & contrast

On white

9.15

#673F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#673F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F0F

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673F0F	#FFFFFF	#000000	##FFFFFF
##673F0F	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4207

Deuteranopia (green-blind)

#554C10

Tritanopia (blue-blind)

#713636

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673f0f;
/* rgb */ color: rgb(103, 63, 15);
/* oklch */ color: oklch(40.6% 0.082 65.6);

Tailwind

colors: {
  custom: {
    50: '#977452',
    500: '#673f0f',
    950: '#000000',
  },
}

SCSS

$custom: #673f0f;
$custom-light: #977452;
$custom-dark: #000000;

JSON

{
  "hex": "#673f0f",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 15
  },
  "hsl": {
    "h": 32.727,
    "s": 74.576,
    "l": 23.137
  },
  "oklch": {
    "l": 0.40642,
    "c": 0.0818,
    "h": 65.6
  },
  "luminance": 0.06473
}

Semantic roles & 50–950 ramp

primary

#673F0F

secondary

#3264A0

accent

#8BF137

background

#F9F7F4

surface

#F2EDE7

border

#CCC8C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #673F0F

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

Preview Lab → · Contrast checker → · Palette generator →