#3F420C#3F420C

#3F420C is a dark, moderate yellow. Relative luminance 0.050; OKLCH L 36.5% C 0.073 H 112.7°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F420C
RGB	rgb(63, 66, 12)
HSL	hsl(63, 69%, 15%)
HSV	hsv(63, 82%, 26%)
CMYK	cmyk(4.5%, 0%, 81.8%, 74.1%)
CIE-LAB	lab(26.68, -9.10, 30.41)
CIE-LCH	lch(26.68, 31.75, 106.66°)
OKLab	oklab(36.48% -0.0281 0.0673)
OKLCH	oklch(36.48% 0.073 112.7)
XYZ	xyz(4.0646, 4.9798, 1.0948)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F420C #0F0C42

analogous

#422A0C #3F420C #24420C

triadic

#3F420C #0C3F42 #420C3F

tetradic

#3F420C #0C422A #0F0C42 #420C24

square

#3F420C #0C422A #0F0C42 #420C24

split-complementary

#3F420C #0C2442 #2A0C42

monochromatic

#191A05 #191A05 #3F420C #707615 #A2AA1F

Accessibility & contrast

On white

10.52

#3F420C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3F420C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F420C

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F420C	#FFFFFF	#000000	##FFFFFF
##3F420C	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)

#483E03

Deuteranopia (green-blind)

#484010

Tritanopia (blue-blind)

#443D38

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f420c;
/* rgb */ color: rgb(63, 66, 12);
/* oklch */ color: oklch(36.5% 0.073 112.7);

Tailwind

colors: {
  custom: {
    50: '#76764f',
    500: '#3f420c',
    950: '#000000',
  },
}

SCSS

$custom: #3f420c;
$custom-light: #76764f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f420c",
  "rgb": {
    "r": 63,
    "g": 66,
    "b": 12
  },
  "hsl": {
    "h": 63.333,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.36478,
    "c": 0.0729,
    "h": 112.7
  },
  "luminance": 0.0498
}

Semantic roles & 50–950 ramp

primary

#3F420C

secondary

#302C7E

accent

#3CEC46

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F420C

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

Preview Lab → · Contrast checker → · Palette generator →