#18315E#18315E

#18315E is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.0% C 0.086 H 261.1°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#18315E
RGB	rgb(24, 49, 94)
HSL	hsl(219, 59%, 23%)
HSV	hsv(219, 74%, 37%)
CMYK	cmyk(74.5%, 47.9%, 0%, 63.1%)
CIE-LAB	lab(20.82, 7.55, -29.72)
CIE-LCH	lch(20.82, 30.66, 284.25°)
OKLab	oklab(31.99% -0.0133 -0.085)
OKLCH	oklch(31.99% 0.086 261.1)
XYZ	xyz(3.4947, 3.1986, 11.0207)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18315E #5E4518

analogous

#18545E #18315E #22185E

triadic

#18315E #5E1831 #315E18

tetradic

#18315E #5E1854 #5E4518 #185E22

square

#18315E #5E1854 #5E4518 #185E22

split-complementary

#18315E #5E2218 #545E18

monochromatic

#060D18 #0C182D #18315E #244A8F #3164C0

Accessibility & contrast

On white

12.81

#18315E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#18315E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18315E

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18315E	#FFFFFF	#000000	##FFFFFF
##18315E	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3660

Deuteranopia (green-blind)

#0E2F5D

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #18315e;
/* rgb */ color: rgb(24, 49, 94);
/* oklch */ color: oklch(32.0% 0.086 261.1);

Tailwind

colors: {
  custom: {
    50: '#5f688c',
    500: '#18315e',
    950: '#000000',
  },
}

SCSS

$custom: #18315e;
$custom-light: #5f688c;
$custom-dark: #000000;

JSON

{
  "hex": "#18315e",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 94
  },
  "hsl": {
    "h": 218.571,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.31985,
    "c": 0.08605,
    "h": 261.1
  },
  "luminance": 0.03199
}

Semantic roles & 50–950 ramp

primary

#18315E

secondary

#94753D

accent

#AA45E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18315E

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

Preview Lab → · Contrast checker → · Palette generator →