#163F6B#163F6B

#163F6B is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.089 H 252.9°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#163F6B
RGB	rgb(22, 63, 107)
HSL	hsl(211, 66%, 25%)
HSV	hsv(211, 79%, 42%)
CMYK	cmyk(79.4%, 41.1%, 0%, 58%)
CIE-LAB	lab(26.12, 2.77, -29.70)
CIE-LCH	lch(26.12, 29.83, 275.33°)
OKLab	oklab(36.35% -0.0261 -0.0847)
OKLCH	oklch(36.35% 0.089 252.9)
XYZ	xyz(4.7612, 4.7866, 14.5800)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F6B #6B4216

analogous

#16696B #163F6B #18166B

triadic

#163F6B #6B163F #3F6B16

tetradic

#163F6B #6B1669 #6B4216 #166B18

square

#163F6B #6B1669 #6B4216 #166B18

split-complementary

#163F6B #6B1816 #696B16

monochromatic

#050F19 #0C2138 #163F6B #205D9E #2B7BD1

Accessibility & contrast

On white

10.73

#163F6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#163F6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F6B

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F6B	#FFFFFF	#000000	##FFFFFF
##163F6B	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A426D

Deuteranopia (green-blind)

#1D3A6A

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163f6b;
/* rgb */ color: rgb(22, 63, 107);
/* oklch */ color: oklch(36.3% 0.089 252.9);

Tailwind

colors: {
  custom: {
    50: '#617395',
    500: '#163f6b',
    950: '#000000',
  },
}

SCSS

$custom: #163f6b;
$custom-light: #617395;
$custom-dark: #000000;

JSON

{
  "hex": "#163f6b",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 107
  },
  "hsl": {
    "h": 211.059,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36346,
    "c": 0.08868,
    "h": 252.9
  },
  "luminance": 0.04787
}

Semantic roles & 50–950 ramp

primary

#163F6B

secondary

#A1703B

accent

#973FE9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #163F6B

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

Preview Lab → · Contrast checker → · Palette generator →