#18345B#18345B

#18345B is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.5% C 0.077 H 257.1°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#18345B
RGB	rgb(24, 52, 91)
HSL	hsl(215, 58%, 23%)
HSV	hsv(215, 74%, 36%)
CMYK	cmyk(73.6%, 42.9%, 0%, 64.3%)
CIE-LAB	lab(21.60, 4.16, -26.51)
CIE-LCH	lch(21.60, 26.83, 278.93°)
OKLab	oklab(32.52% -0.0172 -0.0755)
OKLCH	oklch(32.52% 0.077 257.1)
XYZ	xyz(3.4923, 3.4051, 10.3687)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18345B #5B3F18

analogous

#18565B #18345B #1D185B

triadic

#18345B #5B1834 #345B18

tetradic

#18345B #5B1856 #5B3F18 #185B1D

square

#18345B #5B1856 #5B3F18 #185B1D

split-complementary

#18345B #5B1D18 #565B18

monochromatic

#060E18 #0B182B #18345B #25508B #326BBC

Accessibility & contrast

On white

12.49

#18345B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#18345B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18345B

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18345B	#FFFFFF	#000000	##FFFFFF
##18345B	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22375D

Deuteranopia (green-blind)

#18315A

Tritanopia (blue-blind)

#003D43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18345b;
/* rgb */ color: rgb(24, 52, 91);
/* oklch */ color: oklch(32.5% 0.077 257.1);

Tailwind

colors: {
  custom: {
    50: '#5e6b89',
    500: '#18345b',
    950: '#000000',
  },
}

SCSS

$custom: #18345b;
$custom-light: #5e6b89;
$custom-dark: #000000;

JSON

{
  "hex": "#18345b",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 91
  },
  "hsl": {
    "h": 214.925,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32521,
    "c": 0.07747,
    "h": 257.1
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#18345B

secondary

#926E3D

accent

#A146E1

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #18345B

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

Preview Lab → · Contrast checker → · Palette generator →