#163B63#163B63

#163B63 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.082 H 252.8°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#163B63
RGB	rgb(22, 59, 99)
HSL	hsl(211, 64%, 24%)
HSV	hsv(211, 78%, 39%)
CMYK	cmyk(77.8%, 40.4%, 0%, 61.2%)
CIE-LAB	lab(24.32, 2.22, -27.41)
CIE-LCH	lch(24.32, 27.50, 274.64°)
OKLab	oklab(34.78% -0.0242 -0.0781)
OKLCH	oklch(34.78% 0.082 252.8)
XYZ	xyz(4.1461, 4.1989, 12.3939)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B63 #633E16

analogous

#166163 #163B63 #171663

triadic

#163B63 #63163B #3B6316

tetradic

#163B63 #631661 #633E16 #166317

square

#163B63 #631661 #633E16 #166317

split-complementary

#163B63 #631716 #616316

monochromatic

#060F19 #0B1D31 #163B63 #215995 #2C77C7

Accessibility & contrast

On white

11.41

#163B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#163B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B63

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B63	#FFFFFF	#000000	##FFFFFF
##163B63	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293E65

Deuteranopia (green-blind)

#1D3762

Tritanopia (blue-blind)

#00444A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #163b63;
/* rgb */ color: rgb(22, 59, 99);
/* oklch */ color: oklch(34.8% 0.082 252.8);

Tailwind

colors: {
  custom: {
    50: '#5f708f',
    500: '#163b63',
    950: '#000000',
  },
}

SCSS

$custom: #163b63;
$custom-light: #5f708f;
$custom-dark: #000000;

JSON

{
  "hex": "#163b63",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 99
  },
  "hsl": {
    "h": 211.169,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3478,
    "c": 0.08177,
    "h": 252.8
  },
  "luminance": 0.04199
}

Semantic roles & 50–950 ramp

primary

#163B63

secondary

#9A6C3B

accent

#9741E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #163B63

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

Preview Lab → · Contrast checker → · Palette generator →