#181058#181058

#181058 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.6% C 0.121 H 277.6°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#181058
RGB	rgb(24, 16, 88)
HSL	hsl(247, 69%, 20%)
HSV	hsv(247, 82%, 35%)
CMYK	cmyk(72.7%, 81.8%, 0%, 65.5%)
CIE-LAB	lab(11.06, 28.47, -41.59)
CIE-LCH	lch(11.06, 50.40, 304.39°)
OKLab	oklab(24.57% 0.0161 -0.1202)
OKLCH	oklch(24.57% 0.121 277.6)
XYZ	xyz(2.3229, 1.2692, 9.3532)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181058 #505810

analogous

#102C58 #181058 #3C1058

triadic

#181058 #581810 #105818

tetradic

#181058 #58102C #505810 #10583C

square

#181058 #58102C #505810 #10583C

split-complementary

#181058 #583C10 #2C5810

monochromatic

#07051A #0A0724 #181058 #26198C #3423C0

Accessibility & contrast

On white

16.75

#181058 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#181058 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181058

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181058	#FFFFFF	#000000	##FFFFFF
##181058	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205A

Deuteranopia (green-blind)

#001B57

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181058;
/* rgb */ color: rgb(24, 16, 88);
/* oklch */ color: oklch(24.6% 0.121 277.6);

Tailwind

colors: {
  custom: {
    50: '#605088',
    500: '#181058',
    950: '#000000',
  },
}

SCSS

$custom: #181058;
$custom-light: #605088;
$custom-dark: #000000;

JSON

{
  "hex": "#181058",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 88
  },
  "hsl": {
    "h": 246.667,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24571,
    "c": 0.12124,
    "h": 277.6
  },
  "luminance": 0.01269
}

Semantic roles & 50–950 ramp

primary

#181058

secondary

#879132

accent

#EC3CD8

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #181058

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

Preview Lab → · Contrast checker → · Palette generator →