#3F4005#3F4005

#3F4005 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.075 H 110.7°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F4005
RGB	rgb(63, 64, 5)
HSL	hsl(61, 86%, 14%)
HSV	hsv(61, 92%, 25%)
CMYK	cmyk(1.6%, 0%, 92.2%, 74.9%)
CIE-LAB	lab(25.96, -8.27, 32.59)
CIE-LCH	lch(25.96, 33.62, 104.24°)
OKLab	oklab(35.89% -0.0266 0.0703)
OKLCH	oklch(35.89% 0.075 110.7)
XYZ	xyz(3.9108, 4.7346, 0.8514)
Luminance	0.0474 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4005 #060540

analogous

#402305 #3F4005 #214005

triadic

#3F4005 #053F40 #40053F

tetradic

#3F4005 #054023 #060540 #400521

square

#3F4005 #054023 #060540 #400521

split-complementary

#3F4005 #052140 #230540

monochromatic

#1C1C02 #1C1C02 #3F4005 #777909 #AFB20E

Accessibility & contrast

On white

10.79

#3F4005 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3F4005 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4005

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4005	#FFFFFF	#000000	##FFFFFF
##3F4005	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D00

Deuteranopia (green-blind)

#463E0A

Tritanopia (blue-blind)

#443B35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3f4005;
/* rgb */ color: rgb(63, 64, 5);
/* oklch */ color: oklch(35.9% 0.075 110.7);

Tailwind

colors: {
  custom: {
    50: '#77744c',
    500: '#3f4005',
    950: '#000000',
  },
}

SCSS

$custom: #3f4005;
$custom-light: #77744c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4005",
  "rgb": {
    "r": 63,
    "g": 64,
    "b": 5
  },
  "hsl": {
    "h": 61.017,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.35894,
    "c": 0.07518,
    "h": 110.7
  },
  "luminance": 0.04735
}

Semantic roles & 50–950 ramp

primary

#3F4005

secondary

#222081

accent

#2CFC30

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #3F4005

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

Preview Lab → · Contrast checker → · Palette generator →