#163E57#163E57

#163E57 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.062 H 239.6°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#163E57
RGB	rgb(22, 62, 87)
HSL	hsl(203, 60%, 21%)
HSV	hsv(203, 75%, 34%)
CMYK	cmyk(74.7%, 28.7%, 0%, 65.9%)
CIE-LAB	lab(24.65, -4.65, -19.07)
CIE-LCH	lch(24.65, 19.63, 256.29°)
OKLab	oklab(34.82% -0.0315 -0.0537)
OKLCH	oklch(34.82% 0.062 239.6)
XYZ	xyz(3.7731, 4.3035, 9.6468)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163E57 #572F16

analogous

#165750 #163E57 #161E57

triadic

#163E57 #57163E #3E5716

tetradic

#163E57 #501657 #572F16 #1E5716

square

#163E57 #501657 #572F16 #1E5716

split-complementary

#163E57 #57161E #575016

monochromatic

#061118 #0A1B26 #163E57 #226188 #2F84B9

Accessibility & contrast

On white

11.29

#163E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#163E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163E57

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163E57	#FFFFFF	#000000	##FFFFFF
##163E57	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E58

Deuteranopia (green-blind)

#2A3857

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #163e57;
/* rgb */ color: rgb(22, 62, 87);
/* oklch */ color: oklch(34.8% 0.062 239.6);

Tailwind

colors: {
  custom: {
    50: '#5c7386',
    500: '#163e57',
    950: '#000000',
  },
}

SCSS

$custom: #163e57;
$custom-light: #5c7386;
$custom-dark: #000000;

JSON

{
  "hex": "#163e57",
  "rgb": {
    "r": 22,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 203.077,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34821,
    "c": 0.06232,
    "h": 239.6
  },
  "luminance": 0.04304
}

Semantic roles & 50–950 ramp

primary

#163E57

secondary

#8E5B3A

accent

#8245E3

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #163E57

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

Preview Lab → · Contrast checker → · Palette generator →