#18245C#18245C

#18245C is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.8% C 0.101 H 269.8°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#18245C
RGB	rgb(24, 36, 92)
HSL	hsl(229, 59%, 23%)
HSV	hsv(229, 74%, 36%)
CMYK	cmyk(73.9%, 60.9%, 0%, 63.9%)
CIE-LAB	lab(16.64, 16.23, -35.14)
CIE-LCH	lch(16.64, 38.70, 294.79°)
OKLab	oklab(28.76% -0.0004 -0.1012)
OKLCH	oklch(28.76% 0.101 269.8)
XYZ	xyz(2.9387, 2.2284, 10.3984)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18245C #5C5018

analogous

#18465C #18245C #2E185C

triadic

#18245C #5C1824 #245C18

tetradic

#18245C #5C1846 #5C5018 #185C2E

square

#18245C #5C1846 #5C5018 #185C2E

split-complementary

#18245C #5C2E18 #465C18

monochromatic

#060918 #0B112B #18245C #25378D #314ABD

Accessibility & contrast

On white

14.52

#18245C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#18245C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18245C

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18245C	#FFFFFF	#000000	##FFFFFF
##18245C	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5E

Deuteranopia (green-blind)

#00265B

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18245c;
/* rgb */ color: rgb(24, 36, 92);
/* oklch */ color: oklch(28.8% 0.101 269.8);

Tailwind

colors: {
  custom: {
    50: '#5f5e8b',
    500: '#18245c',
    950: '#000000',
  },
}

SCSS

$custom: #18245c;
$custom-light: #5f5e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#18245c",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 92
  },
  "hsl": {
    "h": 229.412,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.28759,
    "c": 0.10119,
    "h": 269.8
  },
  "luminance": 0.02229
}

Semantic roles & 50–950 ramp

primary

#18245C

secondary

#93833D

accent

#C646E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #18245C

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

Preview Lab → · Contrast checker → · Palette generator →