#163771#163771

#163771 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.108 H 260.7°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#163771
RGB	rgb(22, 55, 113)
HSL	hsl(218, 67%, 26%)
HSV	hsv(218, 81%, 44%)
CMYK	cmyk(80.5%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(23.98, 10.88, -36.96)
CIE-LCH	lch(23.98, 38.53, 286.40°)
OKLab	oklab(34.82% -0.0173 -0.1062)
OKLCH	oklch(34.82% 0.108 260.7)
XYZ	xyz(4.6766, 4.0947, 16.1635)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163771 #715016

analogous

#166571 #163771 #231671

triadic

#163771 #711637 #377116

tetradic

#163771 #711665 #715016 #167123

square

#163771 #711665 #715016 #167123

split-complementary

#163771 #712316 #657116

monochromatic

#050C1A #0C1E3E #163771 #2050A4 #2C69D6

Accessibility & contrast

On white

11.54

#163771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#163771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163771

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163771	#FFFFFF	#000000	##FFFFFF
##163771	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153D73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #163771;
/* rgb */ color: rgb(22, 55, 113);
/* oklch */ color: oklch(34.8% 0.108 260.7);

Tailwind

colors: {
  custom: {
    50: '#626d9a',
    500: '#163771',
    950: '#000000',
  },
}

SCSS

$custom: #163771;
$custom-light: #626d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#163771",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 218.242,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34823,
    "c": 0.10765,
    "h": 260.7
  },
  "luminance": 0.04095
}

Semantic roles & 50–950 ramp

primary

#163771

secondary

#A7803C

accent

#AC3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163771

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

Preview Lab → · Contrast checker → · Palette generator →