#163D74#163D74

#163D74 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.5% C 0.104 H 257.7°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#163D74
RGB	rgb(22, 61, 116)
HSL	hsl(215, 68%, 27%)
HSV	hsv(215, 81%, 45%)
CMYK	cmyk(81%, 47.4%, 0%, 54.5%)
CIE-LAB	lab(26.06, 7.90, -35.52)
CIE-LCH	lch(26.06, 36.39, 282.54°)
OKLab	oklab(36.49% -0.0221 -0.1019)
OKLCH	oklch(36.49% 0.104 257.7)
XYZ	xyz(5.1508, 4.7684, 17.1685)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D74 #744D16

analogous

#166C74 #163D74 #1E1674

triadic

#163D74 #74163D #3D7416

tetradic

#163D74 #74166C #744D16 #16741E

square

#163D74 #74166C #744D16 #16741E

split-complementary

#163D74 #741E16 #6C7416

monochromatic

#050E1A #0C2241 #163D74 #2058A7 #2D74D7

Accessibility & contrast

On white

10.75

#163D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#163D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D74

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D74	#FFFFFF	#000000	##FFFFFF
##163D74	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204276

Deuteranopia (green-blind)

#0B3A73

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163d74;
/* rgb */ color: rgb(22, 61, 116);
/* oklch */ color: oklch(36.5% 0.104 257.7);

Tailwind

colors: {
  custom: {
    50: '#63729c',
    500: '#163d74',
    950: '#000000',
  },
}

SCSS

$custom: #163d74;
$custom-light: #63729c;
$custom-dark: #000000;

JSON

{
  "hex": "#163d74",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 116
  },
  "hsl": {
    "h": 215.106,
    "s": 68.116,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36494,
    "c": 0.10426,
    "h": 257.7
  },
  "luminance": 0.04769
}

Semantic roles & 50–950 ramp

primary

#163D74

secondary

#AA7C3C

accent

#A33DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163D74

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

Preview Lab → · Contrast checker → · Palette generator →