#163B57#163B57

#163B57 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.065 H 244.4°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#163B57
RGB	rgb(22, 59, 87)
HSL	hsl(206, 60%, 21%)
HSV	hsv(206, 75%, 34%)
CMYK	cmyk(74.7%, 32.2%, 0%, 65.9%)
CIE-LAB	lab(23.63, -2.66, -20.68)
CIE-LCH	lch(23.63, 20.85, 262.67°)
OKLab	oklab(34.01% -0.028 -0.0584)
OKLCH	oklch(34.01% 0.065 244.4)
XYZ	xyz(3.6145, 3.9862, 9.5939)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B57 #573216

analogous

#165753 #163B57 #161B57

triadic

#163B57 #57163B #3B5716

tetradic

#163B57 #531657 #573216 #1B5716

square

#163B57 #531657 #573216 #1B5716

split-complementary

#163B57 #57161B #575316

monochromatic

#061118 #0A1A26 #163B57 #225C88 #2F7DB9

Accessibility & contrast

On white

11.68

#163B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#163B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B57

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B57	#FFFFFF	#000000	##FFFFFF
##163B57	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3C58

Deuteranopia (green-blind)

#253556

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #163b57;
/* rgb */ color: rgb(22, 59, 87);
/* oklch */ color: oklch(34.0% 0.065 244.4);

Tailwind

colors: {
  custom: {
    50: '#5c7086',
    500: '#163b57',
    950: '#000000',
  },
}

SCSS

$custom: #163b57;
$custom-light: #5c7086;
$custom-dark: #000000;

JSON

{
  "hex": "#163b57",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 87
  },
  "hsl": {
    "h": 205.846,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.3401,
    "c": 0.06481,
    "h": 244.4
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#163B57

secondary

#8E5F3A

accent

#8945E3

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #163B57

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

Preview Lab → · Contrast checker → · Palette generator →