#163B5D#163B5D

#163B5D is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.073 H 249.2°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#163B5D
RGB	rgb(22, 59, 93)
HSL	hsl(209, 62%, 23%)
HSV	hsv(209, 76%, 36%)
CMYK	cmyk(76.3%, 36.6%, 0%, 63.5%)
CIE-LAB	lab(23.96, -0.24, -24.08)
CIE-LCH	lch(23.96, 24.08, 269.44°)
OKLab	oklab(34.38% -0.026 -0.0683)
OKLCH	oklch(34.38% 0.073 249.2)
XYZ	xyz(3.8699, 4.0884, 10.9390)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B5D #5D3816

analogous

#165D5B #163B5D #16185D

triadic

#163B5D #5D163B #3B5D16

tetradic

#163B5D #5B165D #5D3816 #185D16

square

#163B5D #5B165D #5D3816 #185D16

split-complementary

#163B5D #5D1618 #5D5B16

monochromatic

#061019 #0A1C2C #163B5D #225A8E #2D7AC0

Accessibility & contrast

On white

11.55

#163B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#163B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B5D

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B5D	#FFFFFF	#000000	##FFFFFF
##163B5D	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3D5E

Deuteranopia (green-blind)

#22365C

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #163b5d;
/* rgb */ color: rgb(22, 59, 93);
/* oklch */ color: oklch(34.4% 0.073 249.2);

Tailwind

colors: {
  custom: {
    50: '#5e708b',
    500: '#163b5d',
    950: '#000000',
  },
}

SCSS

$custom: #163b5d;
$custom-light: #5e708b;
$custom-dark: #000000;

JSON

{
  "hex": "#163b5d",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 93
  },
  "hsl": {
    "h": 208.732,
    "s": 61.739,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34384,
    "c": 0.07313,
    "h": 249.2
  },
  "luminance": 0.04089
}

Semantic roles & 50–950 ramp

primary

#163B5D

secondary

#94663B

accent

#9043E5

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #163B5D

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

Preview Lab → · Contrast checker → · Palette generator →