#163B76#163B76

#163B76 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.110 H 259.5°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#163B76
RGB	rgb(22, 59, 118)
HSL	hsl(217, 69%, 27%)
HSV	hsv(217, 81%, 46%)
CMYK	cmyk(81.4%, 50%, 0%, 53.7%)
CIE-LAB	lab(25.58, 10.14, -37.57)
CIE-LCH	lch(25.58, 38.91, 285.11°)
OKLab	oklab(36.17% -0.02 -0.1079)
OKLCH	oklch(36.17% 0.11 259.5)
XYZ	xyz(5.1637, 4.6059, 17.7529)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B76 #765116

analogous

#166B76 #163B76 #211676

triadic

#163B76 #76163B #3B7616

tetradic

#163B76 #76166B #765116 #167621

square

#163B76 #76166B #765116 #167621

split-complementary

#163B76 #762116 #6B7616

monochromatic

#050D1A #0C2142 #163B76 #2055AA #2E70D8

Accessibility & contrast

On white

10.93

#163B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#163B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B76

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B76	#FFFFFF	#000000	##FFFFFF
##163B76	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4178

Deuteranopia (green-blind)

#003975

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163b76;
/* rgb */ color: rgb(22, 59, 118);
/* oklch */ color: oklch(36.2% 0.110 259.5);

Tailwind

colors: {
  custom: {
    50: '#64709e',
    500: '#163b76',
    950: '#000000',
  },
}

SCSS

$custom: #163b76;
$custom-light: #64709e;
$custom-dark: #000000;

JSON

{
  "hex": "#163b76",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 118
  },
  "hsl": {
    "h": 216.875,
    "s": 68.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36166,
    "c": 0.10978,
    "h": 259.5
  },
  "luminance": 0.04607
}

Semantic roles & 50–950 ramp

primary

#163B76

secondary

#AC813C

accent

#A83CEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163B76

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

Preview Lab → · Contrast checker → · Palette generator →