#3F370E#3F370E

#3F370E is a dark, muted yellow. Relative luminance 0.038; OKLCH L 33.6% C 0.059 H 98.0°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F370E
RGB	rgb(63, 55, 14)
HSL	hsl(50, 64%, 15%)
HSV	hsv(50, 78%, 25%)
CMYK	cmyk(0%, 12.7%, 77.8%, 75.3%)
CIE-LAB	lab(23.07, -2.13, 25.92)
CIE-LCH	lch(23.07, 26.01, 94.70°)
OKLab	oklab(33.61% -0.0082 0.0582)
OKLCH	oklch(33.61% 0.059 98)
XYZ	xyz(3.4955, 3.8210, 0.9688)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F370E #0E163F

analogous

#3F1E0E #3F370E #2E3F0E

triadic

#3F370E #0E3F37 #370E3F

tetradic

#3F370E #0E3F1E #0E163F #3F0E2E

square

#3F370E #0E3F1E #0E163F #3F0E2E

split-complementary

#3F370E #0E2E3F #1E0E3F

monochromatic

#191606 #191606 #3F370E #716319 #A38E24

Accessibility & contrast

On white

11.90

#3F370E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#3F370E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F370E

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F370E	#FFFFFF	#000000	##FFFFFF
##3F370E	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3509

Deuteranopia (green-blind)

#3F3810

Tritanopia (blue-blind)

#45322F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #3f370e;
/* rgb */ color: rgb(63, 55, 14);
/* oklch */ color: oklch(33.6% 0.059 98.0);

Tailwind

colors: {
  custom: {
    50: '#766d4f',
    500: '#3f370e',
    950: '#000000',
  },
}

SCSS

$custom: #3f370e;
$custom-light: #766d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f370e",
  "rgb": {
    "r": 63,
    "g": 55,
    "b": 14
  },
  "hsl": {
    "h": 50.204,
    "s": 63.636,
    "l": 15.098
  },
  "oklch": {
    "l": 0.3361,
    "c": 0.05878,
    "h": 98
  },
  "luminance": 0.03821
}

Semantic roles & 50–950 ramp

primary

#3F370E

secondary

#2F3B7A

accent

#5CE741

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #3F370E

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

Preview Lab → · Contrast checker → · Palette generator →