#18315F#18315F

#18315F is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.1% C 0.088 H 261.4°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#18315F
RGB	rgb(24, 49, 95)
HSL	hsl(219, 60%, 23%)
HSV	hsv(219, 75%, 37%)
CMYK	cmyk(74.7%, 48.4%, 0%, 62.7%)
CIE-LAB	lab(20.89, 7.96, -30.27)
CIE-LCH	lch(20.89, 31.30, 284.73°)
OKLab	oklab(32.06% -0.0131 -0.0866)
OKLCH	oklch(32.06% 0.088 261.4)
XYZ	xyz(3.5398, 3.2167, 11.2586)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18315F #5F4618

analogous

#18545F #18315F #22185F

triadic

#18315F #5F1831 #315F18

tetradic

#18315F #5F1854 #5F4618 #185F22

square

#18315F #5F1854 #5F4618 #185F22

split-complementary

#18315F #5F2218 #545F18

monochromatic

#060D18 #0C182E #18315F #244A90 #3163C1

Accessibility & contrast

On white

12.78

#18315F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#18315F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18315F

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18315F	#FFFFFF	#000000	##FFFFFF
##18315F	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3661

Deuteranopia (green-blind)

#0C2F5E

Tritanopia (blue-blind)

#003C43

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #18315f;
/* rgb */ color: rgb(24, 49, 95);
/* oklch */ color: oklch(32.1% 0.088 261.4);

Tailwind

colors: {
  custom: {
    50: '#5f688d',
    500: '#18315f',
    950: '#000000',
  },
}

SCSS

$custom: #18315f;
$custom-light: #5f688d;
$custom-dark: #000000;

JSON

{
  "hex": "#18315f",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 95
  },
  "hsl": {
    "h": 218.873,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.3206,
    "c": 0.08761,
    "h": 261.4
  },
  "luminance": 0.03217
}

Semantic roles & 50–950 ramp

primary

#18315F

secondary

#95763D

accent

#AB45E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18315F

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

Preview Lab → · Contrast checker → · Palette generator →