#3F420D#3F420D

#3F420D is a dark, moderate yellow. Relative luminance 0.050; OKLCH L 36.5% C 0.072 H 112.7°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F420D
RGB	rgb(63, 66, 13)
HSL	hsl(63, 67%, 15%)
HSV	hsv(63, 80%, 26%)
CMYK	cmyk(4.5%, 0%, 80.3%, 74.1%)
CIE-LAB	lab(26.68, -9.04, 30.00)
CIE-LCH	lch(26.68, 31.33, 106.78°)
OKLab	oklab(36.49% -0.0278 0.0666)
OKLCH	oklch(36.49% 0.072 112.7)
XYZ	xyz(4.0709, 4.9823, 1.1279)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F420D #100D42

analogous

#422A0D #3F420D #24420D

triadic

#3F420D #0D3F42 #420D3F

tetradic

#3F420D #0D422A #100D42 #420D24

square

#3F420D #0D422A #100D42 #420D24

split-complementary

#3F420D #0D2442 #2A0D42

monochromatic

#181A05 #181A05 #3F420D #707517 #A1A821

Accessibility & contrast

On white

10.52

#3F420D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3F420D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F420D

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F420D	#FFFFFF	#000000	##FFFFFF
##3F420D	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)

#483E05

Deuteranopia (green-blind)

#484011

Tritanopia (blue-blind)

#443D38

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f420d;
/* rgb */ color: rgb(63, 66, 13);
/* oklch */ color: oklch(36.5% 0.072 112.7);

Tailwind

colors: {
  custom: {
    50: '#767650',
    500: '#3f420d',
    950: '#000000',
  },
}

SCSS

$custom: #3f420d;
$custom-light: #767650;
$custom-dark: #000000;

JSON

{
  "hex": "#3f420d",
  "rgb": {
    "r": 63,
    "g": 66,
    "b": 13
  },
  "hsl": {
    "h": 63.396,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.36486,
    "c": 0.07218,
    "h": 112.7
  },
  "luminance": 0.04982
}

Semantic roles & 50–950 ramp

primary

#3F420D

secondary

#322D7E

accent

#3EEA48

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F420D

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

Preview Lab → · Contrast checker → · Palette generator →