#3F4017#3F4017

#3F4017 is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.1% C 0.060 H 110.4°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F4017
RGB	rgb(63, 64, 23)
HSL	hsl(61, 47%, 17%)
HSV	hsv(61, 64%, 25%)
CMYK	cmyk(1.6%, 0%, 64.1%, 74.9%)
CIE-LAB	lab(26.11, -7.06, 24.44)
CIE-LCH	lch(26.11, 25.44, 106.11°)
OKLab	oklab(36.06% -0.021 0.0566)
OKLCH	oklch(36.06% 0.06 110.4)
XYZ	xyz(4.0381, 4.7855, 1.5214)
Luminance	0.0478 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4017 #181740

analogous

#402D17 #3F4017 #2B4017

triadic

#3F4017 #173F40 #40173F

tetradic

#3F4017 #17402D #181740 #40172B

square

#3F4017 #17402D #181740 #40172B

split-complementary

#3F4017 #172B40 #2D1740

monochromatic

#161708 #161708 #3F4017 #6B6D27 #989A37

Accessibility & contrast

On white

10.73

#3F4017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3F4017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4017

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4017	#FFFFFF	#000000	##FFFFFF
##3F4017	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D13

Deuteranopia (green-blind)

#463E19

Tritanopia (blue-blind)

#433C37

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f4017;
/* rgb */ color: rgb(63, 64, 23);
/* oklch */ color: oklch(36.1% 0.060 110.4);

Tailwind

colors: {
  custom: {
    50: '#757456',
    500: '#3f4017',
    950: '#000000',
  },
}

SCSS

$custom: #3f4017;
$custom-light: #757456;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4017",
  "rgb": {
    "r": 63,
    "g": 64,
    "b": 23
  },
  "hsl": {
    "h": 61.463,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.36061,
    "c": 0.0604,
    "h": 110.4
  },
  "luminance": 0.04785
}

Semantic roles & 50–950 ramp

primary

#3F4017

secondary

#3D3C77

accent

#51D754

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#080803

muted

#7B7B78

Preview Lab

Preview with #3F4017

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

Preview Lab → · Contrast checker → · Palette generator →