#673F1F#673F1F

#673F1F is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.8% C 0.072 H 57.4°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#673F1F
RGB	rgb(103, 63, 31)
HSL	hsl(27, 54%, 26%)
HSV	hsv(27, 70%, 40%)
CMYK	cmyk(0%, 38.8%, 69.9%, 59.6%)
CIE-LAB	lab(30.73, 14.16, 26.46)
CIE-LCH	lch(30.73, 30.01, 61.85°)
OKLab	oklab(40.81% 0.0389 0.061)
OKLCH	oklch(40.81% 0.072 57.4)
XYZ	xyz(7.6189, 6.5382, 2.1568)
Luminance	0.0654 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673F1F #1F4767

analogous

#671F23 #673F1F #67631F

triadic

#673F1F #1F673F #3F1F67

tetradic

#673F1F #23671F #1F4767 #631F67

square

#673F1F #23671F #1F4767 #631F67

split-complementary

#673F1F #1F6763 #1F2367

monochromatic

#180E07 #382211 #673F1F #965C2D #C4793C

Accessibility & contrast

On white

9.10

#673F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#673F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F1F

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673F1F	#FFFFFF	#000000	##FFFFFF
##673F1F	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431C

Deuteranopia (green-blind)

#544C1F

Tritanopia (blue-blind)

#713738

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673f1f;
/* rgb */ color: rgb(103, 63, 31);
/* oklch */ color: oklch(40.8% 0.072 57.4);

Tailwind

colors: {
  custom: {
    50: '#96745c',
    500: '#673f1f',
    950: '#000000',
  },
}

SCSS

$custom: #673f1f;
$custom-light: #96745c;
$custom-dark: #000000;

JSON

{
  "hex": "#673f1f",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 31
  },
  "hsl": {
    "h": 26.667,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.4081,
    "c": 0.07234,
    "h": 57.4
  },
  "luminance": 0.06538
}

Semantic roles & 50–950 ramp

primary

#673F1F

secondary

#46769B

accent

#9CDD4B

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #673F1F

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

Preview Lab → · Contrast checker → · Palette generator →