#18256A#18256A

#18256A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.3% C 0.121 H 269.4°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#18256A
RGB	rgb(24, 37, 106)
HSL	hsl(230, 63%, 25%)
HSV	hsv(230, 77%, 42%)
CMYK	cmyk(77.4%, 65.1%, 0%, 58.4%)
CIE-LAB	lab(18.18, 21.20, -41.86)
CIE-LCH	lch(18.18, 46.93, 296.86°)
OKLab	oklab(30.29% -0.0012 -0.1209)
OKLCH	oklch(30.29% 0.121 269.4)
XYZ	xyz(3.6389, 2.5576, 13.9348)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18256A #6A5D18

analogous

#184E6A #18256A #34186A

triadic

#18256A #6A1825 #256A18

tetradic

#18256A #6A184E #6A5D18 #186A34

square

#18256A #6A184E #6A5D18 #186A34

split-complementary

#18256A #6A3418 #4E6A18

monochromatic

#060919 #0D1438 #18256A #23369C #2F48CE

Accessibility & contrast

On white

13.89

#18256A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#18256A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18256A

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18256A	#FFFFFF	#000000	##FFFFFF
##18256A	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306C

Deuteranopia (green-blind)

#002969

Tritanopia (blue-blind)

#003743

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #18256a;
/* rgb */ color: rgb(24, 37, 106);
/* oklch */ color: oklch(30.3% 0.121 269.4);

Tailwind

colors: {
  custom: {
    50: '#635f95',
    500: '#18256a',
    950: '#000000',
  },
}

SCSS

$custom: #18256a;
$custom-light: #635f95;
$custom-dark: #000000;

JSON

{
  "hex": "#18256a",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 106
  },
  "hsl": {
    "h": 230.488,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3029,
    "c": 0.12093,
    "h": 269.4
  },
  "luminance": 0.02558
}

Semantic roles & 50–950 ramp

primary

#18256A

secondary

#A0903E

accent

#CC42E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #18256A

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

Preview Lab → · Contrast checker → · Palette generator →