#3F450E#3F450E

#3F450E is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.3% C 0.075 H 115.6°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F450E
RGB	rgb(63, 69, 14)
HSL	hsl(67, 66%, 16%)
HSV	hsv(67, 80%, 27%)
CMYK	cmyk(8.7%, 0%, 79.7%, 72.9%)
CIE-LAB	lab(27.70, -10.77, 30.55)
CIE-LCH	lch(27.70, 32.39, 109.42°)
OKLab	oklab(37.3% -0.0325 0.068)
OKLCH	oklch(37.3% 0.075 115.6)
XYZ	xyz(4.2574, 5.3448, 1.2227)
Luminance	0.0534 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F450E #140E45

analogous

#45300E #3F450E #24450E

triadic

#3F450E #0E3F45 #450E3F

tetradic

#3F450E #0E4530 #140E45 #450E24

square

#3F450E #0E4530 #140E45 #450E24

split-complementary

#3F450E #0E2445 #300E45

monochromatic

#171905 #171905 #3F450E #6D7818 #9CAB23

Accessibility & contrast

On white

10.15

#3F450E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3F450E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F450E

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F450E	#FFFFFF	#000000	##FFFFFF
##3F450E	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4105

Deuteranopia (green-blind)

#4A4212

Tritanopia (blue-blind)

#44413A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f450e;
/* rgb */ color: rgb(63, 69, 14);
/* oklch */ color: oklch(37.3% 0.075 115.6);

Tailwind

colors: {
  custom: {
    50: '#767851',
    500: '#3f450e',
    950: '#000000',
  },
}

SCSS

$custom: #3f450e;
$custom-light: #767851;
$custom-dark: #000000;

JSON

{
  "hex": "#3f450e",
  "rgb": {
    "r": 63,
    "g": 69,
    "b": 14
  },
  "hsl": {
    "h": 66.545,
    "s": 66.265,
    "l": 16.275
  },
  "oklch": {
    "l": 0.37299,
    "c": 0.07534,
    "h": 115.6
  },
  "luminance": 0.05345
}

Semantic roles & 50–950 ramp

primary

#3F450E

secondary

#382F80

accent

#3FE951

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F450E

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

Preview Lab → · Contrast checker → · Palette generator →