#18236B#18236B

#18236B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.0% C 0.125 H 270.1°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#18236B
RGB	rgb(24, 35, 107)
HSL	hsl(232, 63%, 26%)
HSV	hsv(232, 78%, 42%)
CMYK	cmyk(77.6%, 67.3%, 0%, 58%)
CIE-LAB	lab(17.72, 23.03, -43.25)
CIE-LCH	lch(17.72, 49.00, 298.03°)
OKLab	oklab(29.99% 0.0003 -0.125)
OKLCH	oklch(29.99% 0.125 270.1)
XYZ	xyz(3.6307, 2.4574, 14.1901)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18236B #6B6018

analogous

#184C6B #18236B #36186B

triadic

#18236B #6B1823 #236B18

tetradic

#18236B #6B184C #6B6018 #186B36

square

#18236B #6B184C #6B6018 #186B36

split-complementary

#18236B #6B3618 #4C6B18

monochromatic

#060819 #0D1339 #18236B #23339D #2E44CF

Accessibility & contrast

On white

14.08

#18236B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#18236B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18236B

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18236B	#FFFFFF	#000000	##FFFFFF
##18236B	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00286A

Tritanopia (blue-blind)

#003643

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #18236b;
/* rgb */ color: rgb(24, 35, 107);
/* oklch */ color: oklch(30.0% 0.125 270.1);

Tailwind

colors: {
  custom: {
    50: '#635d96',
    500: '#18236b',
    950: '#000000',
  },
}

SCSS

$custom: #18236b;
$custom-light: #635d96;
$custom-dark: #000000;

JSON

{
  "hex": "#18236b",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 107
  },
  "hsl": {
    "h": 232.048,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29986,
    "c": 0.12502,
    "h": 270.1
  },
  "luminance": 0.02458
}

Semantic roles & 50–950 ramp

primary

#18236B

secondary

#A1943E

accent

#D141E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #18236B

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

Preview Lab → · Contrast checker → · Palette generator →