#3F420E#3F420E

#3F420E is a dark, moderate yellow. Relative luminance 0.050; OKLCH L 36.5% C 0.071 H 112.7°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F420E
RGB	rgb(63, 66, 14)
HSL	hsl(63, 65%, 16%)
HSV	hsv(63, 79%, 26%)
CMYK	cmyk(4.5%, 0%, 78.8%, 74.1%)
CIE-LAB	lab(26.69, -8.98, 29.56)
CIE-LCH	lch(26.69, 30.90, 106.90°)
OKLab	oklab(36.49% -0.0275 0.0659)
OKLCH	oklch(36.49% 0.071 112.7)
XYZ	xyz(4.0775, 4.9850, 1.1628)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F420E #110E42

analogous

#422B0E #3F420E #25420E

triadic

#3F420E #0E3F42 #420E3F

tetradic

#3F420E #0E422B #110E42 #420E25

square

#3F420E #0E422B #110E42 #420E25

split-complementary

#3F420E #0E2542 #2B0E42

monochromatic

#181905 #181905 #3F420E #6F7419 #9FA723

Accessibility & contrast

On white

10.52

#3F420E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3F420E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F420E

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F420E	#FFFFFF	#000000	##FFFFFF
##3F420E	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F06

Deuteranopia (green-blind)

#484012

Tritanopia (blue-blind)

#443E38

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f420e;
/* rgb */ color: rgb(63, 66, 14);
/* oklch */ color: oklch(36.5% 0.071 112.7);

Tailwind

colors: {
  custom: {
    50: '#767650',
    500: '#3f420e',
    950: '#000000',
  },
}

SCSS

$custom: #3f420e;
$custom-light: #767650;
$custom-dark: #000000;

JSON

{
  "hex": "#3f420e",
  "rgb": {
    "r": 63,
    "g": 66,
    "b": 14
  },
  "hsl": {
    "h": 63.462,
    "s": 65,
    "l": 15.686
  },
  "oklch": {
    "l": 0.36495,
    "c": 0.07141,
    "h": 112.7
  },
  "luminance": 0.04985
}

Semantic roles & 50–950 ramp

primary

#3F420E

secondary

#332F7D

accent

#40E84A

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F420E

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

Preview Lab → · Contrast checker → · Palette generator →