#18395B#18395B

#18395B is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.072 H 251.3°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#18395B
RGB	rgb(24, 57, 91)
HSL	hsl(210, 58%, 23%)
HSV	hsv(210, 74%, 36%)
CMYK	cmyk(73.6%, 37.4%, 0%, 64.3%)
CIE-LAB	lab(23.26, 0.67, -23.88)
CIE-LCH	lch(23.26, 23.89, 271.61°)
OKLab	oklab(33.81% -0.0229 -0.0678)
OKLCH	oklch(33.81% 0.072 251.3)
XYZ	xyz(3.7274, 3.8754, 10.4471)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18395B #5B3A18

analogous

#185A5B #18395B #19185B

triadic

#18395B #5B1839 #395B18

tetradic

#18395B #5B185A #5B3A18 #185B19

square

#18395B #5B185A #5B3A18 #185B19

split-complementary

#18395B #5B1918 #5A5B18

monochromatic

#060F18 #0B1B2B #18395B #25578B #3276BC

Accessibility & contrast

On white

11.83

#18395B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#18395B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18395B

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18395B	#FFFFFF	#000000	##FFFFFF
##18395B	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3B5C

Deuteranopia (green-blind)

#20355A

Tritanopia (blue-blind)

#004145

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18395b;
/* rgb */ color: rgb(24, 57, 91);
/* oklch */ color: oklch(33.8% 0.072 251.3);

Tailwind

colors: {
  custom: {
    50: '#5e6f89',
    500: '#18395b',
    950: '#000000',
  },
}

SCSS

$custom: #18395b;
$custom-light: #5e6f89;
$custom-dark: #000000;

JSON

{
  "hex": "#18395b",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 91
  },
  "hsl": {
    "h": 210.448,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33814,
    "c": 0.07152,
    "h": 251.3
  },
  "luminance": 0.03876
}

Semantic roles & 50–950 ramp

primary

#18395B

secondary

#92683D

accent

#9546E1

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #18395B

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

Preview Lab → · Contrast checker → · Palette generator →