#404E0A#404E0A

#404E0A is a dark, moderate yellow-green. Relative luminance 0.066; OKLCH L 39.8% C 0.090 H 121.2°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#404E0A
RGB	rgb(64, 78, 10)
HSL	hsl(72, 77%, 17%)
HSV	hsv(72, 87%, 31%)
CMYK	cmyk(17.9%, 0%, 87.2%, 69.4%)
CIE-LAB	lab(30.79, -15.65, 35.00)
CIE-LCH	lch(30.79, 38.34, 114.09°)
OKLab	oklab(39.8% -0.0464 0.0765)
OKLCH	oklch(39.8% 0.09 121.2)
XYZ	xyz(4.8936, 6.5607, 1.2956)
Luminance	0.0656 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E0A #180A4E

analogous

#4E3A0A #404E0A #1E4E0A

triadic

#404E0A #0A404E #4E0A40

tetradic

#404E0A #0A4E3A #180A4E #4E0A1E

square

#404E0A #0A4E3A #180A4E #4E0A1E

split-complementary

#404E0A #0A1E4E #3A0A4E

monochromatic

#161B03 #161B03 #404E0A #6D8411 #99BA18

Accessibility & contrast

On white

9.08

#404E0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#404E0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E0A

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E0A	#FFFFFF	#000000	##FFFFFF
##404E0A	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534900

Deuteranopia (green-blind)

#524911

Tritanopia (blue-blind)

#444942

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #404e0a;
/* rgb */ color: rgb(64, 78, 10);
/* oklch */ color: oklch(39.8% 0.090 121.2);

Tailwind

colors: {
  custom: {
    50: '#777f50',
    500: '#404e0a',
    950: '#000000',
  },
}

SCSS

$custom: #404e0a;
$custom-light: #777f50;
$custom-dark: #000000;

JSON

{
  "hex": "#404e0a",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 10
  },
  "hsl": {
    "h": 72.353,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.398,
    "c": 0.08952,
    "h": 121.2
  },
  "luminance": 0.06561
}

Semantic roles & 50–950 ramp

primary

#404E0A

secondary

#3D298B

accent

#34F45B

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A02

muted

#7B7C78

Preview Lab

Preview with #404E0A

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

Preview Lab → · Contrast checker → · Palette generator →