#18256F#18256F

#18256F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.8% C 0.128 H 269.4°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#18256F
RGB	rgb(24, 37, 111)
HSL	hsl(231, 64%, 26%)
HSV	hsv(231, 78%, 44%)
CMYK	cmyk(78.4%, 66.7%, 0%, 56.5%)
CIE-LAB	lab(18.65, 23.21, -44.34)
CIE-LCH	lch(18.65, 50.05, 297.63°)
OKLab	oklab(30.78% -0.0013 -0.1282)
OKLCH	oklch(30.78% 0.128 269.4)
XYZ	xyz(3.9065, 2.6646, 15.3443)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18256F #6F6218

analogous

#18516F #18256F #37186F

triadic

#18256F #6F1825 #256F18

tetradic

#18256F #6F1851 #6F6218 #186F37

square

#18256F #6F1851 #6F6218 #186F37

split-complementary

#18256F #6F3718 #516F18

monochromatic

#050819 #0D143D #18256F #2336A1 #2F48D2

Accessibility & contrast

On white

13.70

#18256F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#18256F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18256F

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18256F	#FFFFFF	#000000	##FFFFFF
##18256F	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003271

Deuteranopia (green-blind)

#00296E

Tritanopia (blue-blind)

#003846

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18256f;
/* rgb */ color: rgb(24, 37, 111);
/* oklch */ color: oklch(30.8% 0.128 269.4);

Tailwind

colors: {
  custom: {
    50: '#645f99',
    500: '#18256f',
    950: '#000000',
  },
}

SCSS

$custom: #18256f;
$custom-light: #645f99;
$custom-dark: #000000;

JSON

{
  "hex": "#18256f",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 111
  },
  "hsl": {
    "h": 231.034,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30783,
    "c": 0.1282,
    "h": 269.4
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#18256F

secondary

#A5953E

accent

#CE40E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #18256F

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

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