#163B75#163B75

#163B75 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.108 H 259.3°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#163B75
RGB	rgb(22, 59, 117)
HSL	hsl(217, 68%, 27%)
HSV	hsv(217, 81%, 46%)
CMYK	cmyk(81.2%, 49.6%, 0%, 54.1%)
CIE-LAB	lab(25.51, 9.72, -37.05)
CIE-LCH	lch(25.51, 38.30, 284.70°)
OKLab	oklab(36.09% -0.0202 -0.1064)
OKLCH	oklch(36.09% 0.108 259.3)
XYZ	xyz(5.1046, 4.5823, 17.4416)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B75 #755016

analogous

#166A75 #163B75 #211675

triadic

#163B75 #75163B #3B7516

tetradic

#163B75 #75166A #755016 #167521

square

#163B75 #75166A #755016 #167521

split-complementary

#163B75 #752116 #6A7516

monochromatic

#050D1A #0C2141 #163B75 #2055A9 #2E70D8

Accessibility & contrast

On white

10.96

#163B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#163B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B75

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B75	#FFFFFF	#000000	##FFFFFF
##163B75	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4177

Deuteranopia (green-blind)

#003874

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163b75;
/* rgb */ color: rgb(22, 59, 117);
/* oklch */ color: oklch(36.1% 0.108 259.3);

Tailwind

colors: {
  custom: {
    50: '#63709d',
    500: '#163b75',
    950: '#000000',
  },
}

SCSS

$custom: #163b75;
$custom-light: #63709d;
$custom-dark: #000000;

JSON

{
  "hex": "#163b75",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 117
  },
  "hsl": {
    "h": 216.632,
    "s": 68.345,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36089,
    "c": 0.10831,
    "h": 259.3
  },
  "luminance": 0.04583
}

Semantic roles & 50–950 ramp

primary

#163B75

secondary

#AB803C

accent

#A73DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163B75

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

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