#18286C#18286C

#18286C is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.1% C 0.120 H 268.3°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#18286C
RGB	rgb(24, 40, 108)
HSL	hsl(229, 64%, 26%)
HSV	hsv(229, 78%, 42%)
CMYK	cmyk(77.8%, 63%, 0%, 57.6%)
CIE-LAB	lab(19.20, 19.86, -41.49)
CIE-LCH	lch(19.20, 46.00, 295.58°)
OKLab	oklab(31.11% -0.0035 -0.1198)
OKLCH	oklch(31.11% 0.12 268.3)
XYZ	xyz(3.8413, 2.7941, 14.5213)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18286C #6C5C18

analogous

#18526C #18286C #32186C

triadic

#18286C #6C1828 #286C18

tetradic

#18286C #6C1852 #6C5C18 #186C32

square

#18286C #6C1852 #6C5C18 #186C32

split-complementary

#18286C #6C3218 #526C18

monochromatic

#060919 #0D153A #18286C #233B9E #2E4DD0

Accessibility & contrast

On white

13.47

#18286C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#18286C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18286C

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18286C	#FFFFFF	#000000	##FFFFFF
##18286C	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336E

Deuteranopia (green-blind)

#002B6B

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18286c;
/* rgb */ color: rgb(24, 40, 108);
/* oklch */ color: oklch(31.1% 0.120 268.3);

Tailwind

colors: {
  custom: {
    50: '#636197',
    500: '#18286c',
    950: '#000000',
  },
}

SCSS

$custom: #18286c;
$custom-light: #636197;
$custom-dark: #000000;

JSON

{
  "hex": "#18286c",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 108
  },
  "hsl": {
    "h": 228.571,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.31105,
    "c": 0.11985,
    "h": 268.3
  },
  "luminance": 0.02794
}

Semantic roles & 50–950 ramp

primary

#18286C

secondary

#A28F3E

accent

#C741E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #18286C

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

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