#3F380B#3F380B

#3F380B is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.8% C 0.062 H 100.2°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F380B
RGB	rgb(63, 56, 11)
HSL	hsl(52, 70%, 15%)
HSV	hsv(52, 83%, 25%)
CMYK	cmyk(0%, 11.1%, 82.5%, 75.3%)
CIE-LAB	lab(23.37, -2.96, 27.63)
CIE-LCH	lch(23.37, 27.79, 96.12°)
OKLab	oklab(33.84% -0.011 0.0612)
OKLCH	oklch(33.84% 0.062 100.2)
XYZ	xyz(3.5246, 3.9094, 0.8855)
Luminance	0.0391 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F380B #0B123F

analogous

#3F1E0B #3F380B #2C3F0B

triadic

#3F380B #0B3F38 #380B3F

tetradic

#3F380B #0B3F1E #0B123F #3F0B2C

square

#3F380B #0B3F1E #0B123F #3F0B2C

split-complementary

#3F380B #0B2C3F #1E0B3F

monochromatic

#1A1705 #1A1705 #3F380B #736614 #A7951D

Accessibility & contrast

On white

11.79

#3F380B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#3F380B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F380B

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F380B	#FFFFFF	#000000	##FFFFFF
##3F380B	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3605

Deuteranopia (green-blind)

#40390E

Tritanopia (blue-blind)

#45332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f380b;
/* rgb */ color: rgb(63, 56, 11);
/* oklch */ color: oklch(33.8% 0.062 100.2);

Tailwind

colors: {
  custom: {
    50: '#766e4d',
    500: '#3f380b',
    950: '#000000',
  },
}

SCSS

$custom: #3f380b;
$custom-light: #766e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f380b",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 11
  },
  "hsl": {
    "h": 51.923,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33839,
    "c": 0.0622,
    "h": 100.2
  },
  "luminance": 0.03909
}

Semantic roles & 50–950 ramp

primary

#3F380B

secondary

#2A357C

accent

#53ED3B

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F380B

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

Preview Lab → · Contrast checker → · Palette generator →