#163B71#163B71

#163B71 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.102 H 258.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#163B71
RGB	rgb(22, 59, 113)
HSL	hsl(216, 67%, 26%)
HSV	hsv(216, 81%, 44%)
CMYK	cmyk(80.5%, 47.8%, 0%, 55.7%)
CIE-LAB	lab(25.23, 8.05, -34.96)
CIE-LCH	lch(25.23, 35.87, 282.97°)
OKLab	oklab(35.78% -0.0209 -0.1003)
OKLCH	oklch(35.78% 0.102 258.2)
XYZ	xyz(4.8744, 4.4902, 16.2294)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B71 #714C16

analogous

#166971 #163B71 #1F1671

triadic

#163B71 #71163B #3B7116

tetradic

#163B71 #711669 #714C16 #16711F

square

#163B71 #711669 #714C16 #16711F

split-complementary

#163B71 #711F16 #697116

monochromatic

#050D1A #0C203E #163B71 #2056A4 #2C71D6

Accessibility & contrast

On white

11.06

#163B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#163B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B71

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B71	#FFFFFF	#000000	##FFFFFF
##163B71	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4073

Deuteranopia (green-blind)

#0A3870

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163b71;
/* rgb */ color: rgb(22, 59, 113);
/* oklch */ color: oklch(35.8% 0.102 258.2);

Tailwind

colors: {
  custom: {
    50: '#62709a',
    500: '#163b71',
    950: '#000000',
  },
}

SCSS

$custom: #163b71;
$custom-light: #62709a;
$custom-dark: #000000;

JSON

{
  "hex": "#163b71",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 113
  },
  "hsl": {
    "h": 215.604,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35783,
    "c": 0.10241,
    "h": 258.2
  },
  "luminance": 0.04491
}

Semantic roles & 50–950 ramp

primary

#163B71

secondary

#A77B3C

accent

#A43EEA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163B71

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

Preview Lab → · Contrast checker → · Palette generator →