#163B7D#163B7D

#163B7D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.7% C 0.120 H 260.9°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#163B7D
RGB	rgb(22, 59, 125)
HSL	hsl(218, 70%, 29%)
HSV	hsv(218, 82%, 49%)
CMYK	cmyk(82.4%, 52.8%, 0%, 51%)
CIE-LAB	lab(26.09, 13.06, -41.16)
CIE-LCH	lch(26.09, 43.19, 287.61°)
OKLab	oklab(36.72% -0.0189 -0.1185)
OKLCH	oklch(36.72% 0.12 260.9)
XYZ	xyz(5.5952, 4.7785, 20.0255)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B7D #7D5816

analogous

#166F7D #163B7D #25167D

triadic

#163B7D #7D163B #3B7D16

tetradic

#163B7D #7D166F #7D5816 #167D25

square

#163B7D #7D166F #7D5816 #167D25

split-complementary

#163B7D #7D2516 #6F7D16

monochromatic

#050C1A #0D2249 #163B7D #1F54B1 #326FDB

Accessibility & contrast

On white

10.74

#163B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#163B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B7D

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B7D	#FFFFFF	#000000	##FFFFFF
##163B7D	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10437F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163b7d;
/* rgb */ color: rgb(22, 59, 125);
/* oklch */ color: oklch(36.7% 0.120 260.9);

Tailwind

colors: {
  custom: {
    50: '#6570a3',
    500: '#163b7d',
    950: '#000000',
  },
}

SCSS

$custom: #163b7d;
$custom-light: #6570a3;
$custom-dark: #000000;

JSON

{
  "hex": "#163b7d",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 125
  },
  "hsl": {
    "h": 218.447,
    "s": 70.068,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36723,
    "c": 0.12002,
    "h": 260.9
  },
  "luminance": 0.04779
}

Semantic roles & 50–950 ramp

primary

#163B7D

secondary

#B2883D

accent

#AD3BED

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163B7D

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

Preview Lab → · Contrast checker → · Palette generator →