#163B74#163B74

#163B74 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.107 H 259.0°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#163B74
RGB	rgb(22, 59, 116)
HSL	hsl(216, 68%, 27%)
HSV	hsv(216, 81%, 45%)
CMYK	cmyk(81%, 49.1%, 0%, 54.5%)
CIE-LAB	lab(25.44, 9.30, -36.53)
CIE-LCH	lch(25.44, 37.70, 284.29°)
OKLab	oklab(36.01% -0.0203 -0.1049)
OKLCH	oklch(36.01% 0.107 259)
XYZ	xyz(5.0461, 4.5589, 17.1336)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B74 #744F16

analogous

#166A74 #163B74 #201674

triadic

#163B74 #74163B #3B7416

tetradic

#163B74 #74166A #744F16 #167420

square

#163B74 #74166A #744F16 #167420

split-complementary

#163B74 #742016 #6A7416

monochromatic

#050D1A #0C2141 #163B74 #2055A7 #2D70D7

Accessibility & contrast

On white

10.98

#163B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#163B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B74

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B74	#FFFFFF	#000000	##FFFFFF
##163B74	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4176

Deuteranopia (green-blind)

#033873

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163b74;
/* rgb */ color: rgb(22, 59, 116);
/* oklch */ color: oklch(36.0% 0.107 259.0);

Tailwind

colors: {
  custom: {
    50: '#63709c',
    500: '#163b74',
    950: '#000000',
  },
}

SCSS

$custom: #163b74;
$custom-light: #63709c;
$custom-dark: #000000;

JSON

{
  "hex": "#163b74",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 116
  },
  "hsl": {
    "h": 216.383,
    "s": 68.116,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36012,
    "c": 0.10683,
    "h": 259
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#163B74

secondary

#AA7F3C

accent

#A63DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163B74

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

Preview Lab → · Contrast checker → · Palette generator →