#18286D#18286D

#18286D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.2% C 0.121 H 268.3°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#18286D
RGB	rgb(24, 40, 109)
HSL	hsl(229, 64%, 26%)
HSV	hsv(229, 78%, 43%)
CMYK	cmyk(78%, 63.3%, 0%, 57.3%)
CIE-LAB	lab(19.29, 20.27, -42.00)
CIE-LCH	lch(19.29, 46.63, 295.77°)
OKLab	oklab(31.2% -0.0035 -0.1213)
OKLCH	oklch(31.2% 0.121 268.3)
XYZ	xyz(3.8948, 2.8155, 14.8032)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18286D #6D5D18

analogous

#18526D #18286D #32186D

triadic

#18286D #6D1828 #286D18

tetradic

#18286D #6D1852 #6D5D18 #186D32

square

#18286D #6D1852 #6D5D18 #186D32

split-complementary

#18286D #6D3218 #526D18

monochromatic

#060919 #0D163B #18286D #233A9F #2E4DD1

Accessibility & contrast

On white

13.43

#18286D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#18286D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18286D

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18286D	#FFFFFF	#000000	##FFFFFF
##18286D	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336F

Deuteranopia (green-blind)

#002B6C

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18286d;
/* rgb */ color: rgb(24, 40, 109);
/* oklch */ color: oklch(31.2% 0.121 268.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18286d",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 109
  },
  "hsl": {
    "h": 228.706,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.312,
    "c": 0.12133,
    "h": 268.3
  },
  "luminance": 0.02816
}

Semantic roles & 50–950 ramp

primary

#18286D

secondary

#A3903E

accent

#C841E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #18286D

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

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