#282C01#282C01

#282C01 is a dark, moderate yellow. Relative luminance 0.023; OKLCH L 28.0% C 0.062 H 115.1°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#282C01
RGB	rgb(40, 44, 1)
HSL	hsl(66, 96%, 9%)
HSV	hsv(66, 98%, 17%)
CMYK	cmyk(9.1%, 0%, 97.7%, 82.7%)
CIE-LAB	lab(16.77, -8.44, 23.62)
CIE-LCH	lch(16.77, 25.08, 109.67°)
OKLab	oklab(27.96% -0.0263 0.0563)
OKLCH	oklch(27.96% 0.062 115.1)
XYZ	xyz(1.7813, 2.2547, 0.3701)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C01 #05012C

analogous

#2C1B01 #282C01 #132C01

triadic

#282C01 #01282C #2C0128

tetradic

#282C01 #012C1B #05012C #2C0113

square

#282C01 #012C1B #05012C #2C0113

split-complementary

#282C01 #01132C #1B012C

monochromatic

#1B1E01 #1B1E01 #282C01 #5E6802 #95A404

Accessibility & contrast

On white

14.47

#282C01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#282C01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C01

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C01	#FFFFFF	#000000	##FFFFFF
##282C01	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302900

Deuteranopia (green-blind)

#302A04

Tritanopia (blue-blind)

#2B2924

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #282c01;
/* rgb */ color: rgb(40, 44, 1);
/* oklch */ color: oklch(28.0% 0.062 115.1);

Tailwind

colors: {
  custom: {
    50: '#636547',
    500: '#282c01',
    950: '#000000',
  },
}

SCSS

$custom: #282c01;
$custom-light: #636547;
$custom-dark: #000000;

JSON

{
  "hex": "#282c01",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 1
  },
  "hsl": {
    "h": 65.581,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.27963,
    "c": 0.06218,
    "h": 115.1
  },
  "luminance": 0.02255
}

Semantic roles & 50–950 ramp

primary

#282C01

secondary

#1F1772

accent

#29FF3D

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#050500

muted

#7A7A77

Preview Lab

Preview with #282C01

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

Preview Lab → · Contrast checker → · Palette generator →