#283401#283401

#283401 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.3% C 0.073 H 122.7°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#283401
RGB	rgb(40, 52, 1)
HSL	hsl(74, 96%, 10%)
HSV	hsv(74, 98%, 20%)
CMYK	cmyk(23.1%, 0%, 98.1%, 79.6%)
CIE-LAB	lab(19.68, -13.29, 27.07)
CIE-LCH	lch(19.68, 30.16, 116.14°)
OKLab	oklab(30.31% -0.0395 0.0614)
OKLCH	oklch(30.31% 0.073 122.7)
XYZ	xyz(2.1086, 2.9093, 0.4792)
Luminance	0.0291 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 8.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283401 #0D0134

analogous

#342601 #283401 #0E3401

triadic

#283401 #012834 #340128

tetradic

#283401 #013426 #0D0134 #34010E

square

#283401 #013426 #0D0134 #34010E

split-complementary

#283401 #010E34 #260134

monochromatic

#171E01 #171E01 #283401 #567002 #84AC03

Accessibility & contrast

On white

13.28

#283401 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#283401 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283401

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283401	#FFFFFF	#000000	##FFFFFF
##283401	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383000

Deuteranopia (green-blind)

#363005

Tritanopia (blue-blind)

#2B312B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #283401;
/* rgb */ color: rgb(40, 52, 1);
/* oklch */ color: oklch(30.3% 0.073 122.7);

Tailwind

colors: {
  custom: {
    50: '#646b48',
    500: '#283401',
    950: '#000000',
  },
}

SCSS

$custom: #283401;
$custom-light: #646b48;
$custom-dark: #000000;

JSON

{
  "hex": "#283401",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 1
  },
  "hsl": {
    "h": 74.118,
    "s": 96.226,
    "l": 10.392
  },
  "oklch": {
    "l": 0.30306,
    "c": 0.07303,
    "h": 122.7
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#283401

secondary

#2F1879

accent

#29FF5B

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#050600

muted

#7A7A77

Preview Lab

Preview with #283401

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

Preview Lab → · Contrast checker → · Palette generator →