#3F4013#3F4013

#3F4013 is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.0% C 0.064 H 110.4°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F4013
RGB	rgb(63, 64, 19)
HSL	hsl(61, 54%, 16%)
HSV	hsv(61, 70%, 25%)
CMYK	cmyk(1.6%, 0%, 70.3%, 74.9%)
CIE-LAB	lab(26.07, -7.41, 26.52)
CIE-LCH	lch(26.07, 27.54, 105.61°)
OKLab	oklab(36.01% -0.0225 0.0604)
OKLCH	oklch(36.01% 0.064 110.4)
XYZ	xyz(4.0010, 4.7707, 1.3260)
Luminance	0.0477 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4013 #141340

analogous

#402B13 #3F4013 #294013

triadic

#3F4013 #133F40 #40133F

tetradic

#3F4013 #13402B #141340 #401329

square

#3F4013 #13402B #141340 #401329

split-complementary

#3F4013 #132940 #2B1340

monochromatic

#171807 #171807 #3F4013 #6D6F21 #9C9E2F

Accessibility & contrast

On white

10.75

#3F4013 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3F4013 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4013

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4013	#FFFFFF	#000000	##FFFFFF
##3F4013	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D0D

Deuteranopia (green-blind)

#463E16

Tritanopia (blue-blind)

#443C37

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f4013;
/* rgb */ color: rgb(63, 64, 19);
/* oklch */ color: oklch(36.0% 0.064 110.4);

Tailwind

colors: {
  custom: {
    50: '#767453',
    500: '#3f4013',
    950: '#000000',
  },
}

SCSS

$custom: #3f4013;
$custom-light: #767453;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4013",
  "rgb": {
    "r": 63,
    "g": 64,
    "b": 19
  },
  "hsl": {
    "h": 61.333,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.36013,
    "c": 0.06447,
    "h": 110.4
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#3F4013

secondary

#383679

accent

#4ADE4D

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3F4013

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

Preview Lab → · Contrast checker → · Palette generator →