#282F01#282F01

#282F01 is a dark, moderate yellow. Relative luminance 0.025; OKLCH L 28.8% C 0.066 H 118.3°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#282F01
RGB	rgb(40, 47, 1)
HSL	hsl(69, 96%, 9%)
HSV	hsv(69, 98%, 18%)
CMYK	cmyk(14.9%, 0%, 97.9%, 81.6%)
CIE-LAB	lab(17.86, -10.31, 24.94)
CIE-LCH	lch(17.86, 26.99, 112.45°)
OKLab	oklab(28.84% -0.0314 0.0582)
OKLCH	oklch(28.84% 0.066 118.3)
XYZ	xyz(1.8971, 2.4864, 0.4087)
Luminance	0.0249 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F01 #08012F

analogous

#2F1F01 #282F01 #112F01

triadic

#282F01 #01282F #2F0128

tetradic

#282F01 #012F1F #08012F #2F0111

square

#282F01 #012F1F #08012F #2F0111

split-complementary

#282F01 #01112F #1F012F

monochromatic

#1A1E01 #1A1E01 #282F01 #5B6B02 #8EA704

Accessibility & contrast

On white

14.03

#282F01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#282F01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F01

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F01	#FFFFFF	#000000	##FFFFFF
##282F01	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332C00

Deuteranopia (green-blind)

#322C04

Tritanopia (blue-blind)

#2B2C27

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #282f01;
/* rgb */ color: rgb(40, 47, 1);
/* oklch */ color: oklch(28.8% 0.066 118.3);

Tailwind

colors: {
  custom: {
    50: '#636747',
    500: '#282f01',
    950: '#000000',
  },
}

SCSS

$custom: #282f01;
$custom-light: #636747;
$custom-dark: #000000;

JSON

{
  "hex": "#282f01",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 1
  },
  "hsl": {
    "h": 69.13,
    "s": 95.833,
    "l": 9.412
  },
  "oklch": {
    "l": 0.28837,
    "c": 0.06616,
    "h": 118.3
  },
  "luminance": 0.02486
}

Semantic roles & 50–950 ramp

primary

#282F01

secondary

#251775

accent

#29FF49

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#050600

muted

#7A7A77

Preview Lab

Preview with #282F01

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

Preview Lab → · Contrast checker → · Palette generator →