#181041#181041

#181041 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.0% C 0.088 H 283.9°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#181041
RGB	rgb(24, 16, 65)
HSL	hsl(250, 60%, 16%)
HSV	hsv(250, 75%, 25%)
CMYK	cmyk(63.1%, 75.4%, 0%, 74.5%)
CIE-LAB	lab(8.54, 20.10, -29.80)
CIE-LCH	lch(8.54, 35.95, 303.99°)
OKLab	oklab(22.01% 0.0212 -0.0857)
OKLCH	oklch(22.01% 0.088 283.9)
XYZ	xyz(1.5158, 0.9463, 5.1028)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 4.15

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181041 #394110

analogous

#102041 #181041 #301041

triadic

#181041 #411810 #104118

tetradic

#181041 #411020 #394110 #104130

square

#181041 #411020 #394110 #104130

split-complementary

#181041 #413010 #204110

monochromatic

#090619 #090619 #181041 #2A1C72 #3C28A3

Accessibility & contrast

On white

17.66

#181041 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#181041 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181041

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181041	#FFFFFF	#000000	##FFFFFF
##181041	1.00	17.66	1.19	17.66
#FFFFFF	17.66	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A43

Deuteranopia (green-blind)

#001740

Tritanopia (blue-blind)

#051C26

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #181041;
/* rgb */ color: rgb(24, 16, 65);
/* oklch */ color: oklch(22.0% 0.088 283.9);

Tailwind

colors: {
  custom: {
    50: '#5a4e76',
    500: '#181041',
    950: '#000000',
  },
}

SCSS

$custom: #181041;
$custom-light: #5a4e76;
$custom-dark: #000000;

JSON

{
  "hex": "#181041",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 65
  },
  "hsl": {
    "h": 249.796,
    "s": 60.494,
    "l": 15.882
  },
  "oklch": {
    "l": 0.2201,
    "c": 0.08827,
    "h": 283.9
  },
  "luminance": 0.00946
}

Semantic roles & 50–950 ramp

primary

#181041

secondary

#6F7B32

accent

#E444CA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #181041

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

Preview Lab → · Contrast checker → · Palette generator →