#183459#183459

#183459 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.4% C 0.074 H 256.2°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#183459
RGB	rgb(24, 52, 89)
HSL	hsl(214, 58%, 22%)
HSV	hsv(214, 73%, 35%)
CMYK	cmyk(73%, 41.6%, 0%, 65.1%)
CIE-LAB	lab(21.47, 3.34, -25.39)
CIE-LCH	lch(21.47, 25.61, 277.50°)
OKLab	oklab(32.38% -0.0178 -0.0722)
OKLCH	oklch(32.38% 0.074 256.2)
XYZ	xyz(3.4072, 3.3711, 9.9204)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183459 #593D18

analogous

#185559 #183459 #1D1859

triadic

#183459 #591834 #345918

tetradic

#183459 #591855 #593D18 #18591D

square

#183459 #591855 #593D18 #18591D

split-complementary

#183459 #591D18 #555918

monochromatic

#060E18 #0B1829 #183459 #255089 #326CB9

Accessibility & contrast

On white

12.54

#183459 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183459 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183459

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183459	#FFFFFF	#000000	##FFFFFF
##183459	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23375A

Deuteranopia (green-blind)

#1A3158

Tritanopia (blue-blind)

#003D42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183459;
/* rgb */ color: rgb(24, 52, 89);
/* oklch */ color: oklch(32.4% 0.074 256.2);

Tailwind

colors: {
  custom: {
    50: '#5d6b88',
    500: '#183459',
    950: '#000000',
  },
}

SCSS

$custom: #183459;
$custom-light: #5d6b88;
$custom-dark: #000000;

JSON

{
  "hex": "#183459",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 89
  },
  "hsl": {
    "h": 214.154,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.32382,
    "c": 0.0744,
    "h": 256.2
  },
  "luminance": 0.03371
}

Semantic roles & 50–950 ramp

primary

#183459

secondary

#906C3D

accent

#9F47E1

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05060B

muted

#797A7C

Preview Lab

Preview with #183459

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

Preview Lab → · Contrast checker → · Palette generator →