#18256D#18256D

#18256D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.125 H 269.4°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#18256D
RGB	rgb(24, 37, 109)
HSL	hsl(231, 64%, 26%)
HSV	hsv(231, 78%, 43%)
CMYK	cmyk(78%, 66.1%, 0%, 57.3%)
CIE-LAB	lab(18.46, 22.41, -43.36)
CIE-LCH	lch(18.46, 48.81, 297.33°)
OKLab	oklab(30.58% -0.0013 -0.1253)
OKLCH	oklch(30.58% 0.125 269.4)
XYZ	xyz(3.7976, 2.6210, 14.7708)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18256D #6D6018

analogous

#184F6D #18256D #35186D

triadic

#18256D #6D1825 #256D18

tetradic

#18256D #6D184F #6D6018 #186D35

square

#18256D #6D184F #6D6018 #186D35

split-complementary

#18256D #6D3518 #4F6D18

monochromatic

#060919 #0D143B #18256D #23369F #2E47D1

Accessibility & contrast

On white

13.78

#18256D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#18256D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18256D

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18256D	#FFFFFF	#000000	##FFFFFF
##18256D	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316F

Deuteranopia (green-blind)

#00296C

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18256d;
/* rgb */ color: rgb(24, 37, 109);
/* oklch */ color: oklch(30.6% 0.125 269.4);

Tailwind

colors: {
  custom: {
    50: '#635f98',
    500: '#18256d',
    950: '#000000',
  },
}

SCSS

$custom: #18256d;
$custom-light: #635f98;
$custom-dark: #000000;

JSON

{
  "hex": "#18256d",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 109
  },
  "hsl": {
    "h": 230.824,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.30584,
    "c": 0.12531,
    "h": 269.4
  },
  "luminance": 0.02621
}

Semantic roles & 50–950 ramp

primary

#18256D

secondary

#A3933E

accent

#CE41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #18256D

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

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