#163971#163971

#163971 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.105 H 259.5°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#163971
RGB	rgb(22, 57, 113)
HSL	hsl(217, 67%, 26%)
HSV	hsv(217, 81%, 44%)
CMYK	cmyk(80.5%, 49.6%, 0%, 55.7%)
CIE-LAB	lab(24.60, 9.46, -35.96)
CIE-LCH	lch(24.60, 37.19, 284.74°)
OKLab	oklab(35.3% -0.0191 -0.1033)
OKLCH	oklch(35.3% 0.105 259.5)
XYZ	xyz(4.7736, 4.2885, 16.1958)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163971 #714E16

analogous

#166771 #163971 #211671

triadic

#163971 #711639 #397116

tetradic

#163971 #711667 #714E16 #167121

square

#163971 #711667 #714E16 #167121

split-complementary

#163971 #712116 #677116

monochromatic

#050D1A #0C1F3E #163971 #2053A4 #2C6DD6

Accessibility & contrast

On white

11.30

#163971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#163971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163971

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163971	#FFFFFF	#000000	##FFFFFF
##163971	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F73

Deuteranopia (green-blind)

#023770

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #163971;
/* rgb */ color: rgb(22, 57, 113);
/* oklch */ color: oklch(35.3% 0.105 259.5);

Tailwind

colors: {
  custom: {
    50: '#626e9a',
    500: '#163971',
    950: '#000000',
  },
}

SCSS

$custom: #163971;
$custom-light: #626e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#163971",
  "rgb": {
    "r": 22,
    "g": 57,
    "b": 113
  },
  "hsl": {
    "h": 216.923,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.353,
    "c": 0.10501,
    "h": 259.5
  },
  "luminance": 0.04289
}

Semantic roles & 50–950 ramp

primary

#163971

secondary

#A77E3C

accent

#A83EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163971

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

Preview Lab → · Contrast checker → · Palette generator →