#172E63#172E63

#172E63 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.6% C 0.098 H 264.0°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#172E63
RGB	rgb(23, 46, 99)
HSL	hsl(222, 62%, 24%)
HSV	hsv(222, 77%, 39%)
CMYK	cmyk(76.8%, 53.5%, 0%, 61.2%)
CIE-LAB	lab(20.19, 11.64, -34.02)
CIE-LCH	lch(20.19, 35.96, 288.89°)
OKLab	oklab(31.6% -0.0103 -0.0977)
OKLCH	oklch(31.6% 0.098 264)
XYZ	xyz(3.5817, 3.0366, 12.1993)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E63 #634C17

analogous

#175463 #172E63 #261763

triadic

#172E63 #63172E #2E6317

tetradic

#172E63 #631754 #634C17 #176326

square

#172E63 #631754 #634C17 #176326

split-complementary

#172E63 #632617 #546317

monochromatic

#060C19 #0B1731 #172E63 #234595 #2E5CC6

Accessibility & contrast

On white

13.06

#172E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#172E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E63

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E63	#FFFFFF	#000000	##FFFFFF
##172E63	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3465

Deuteranopia (green-blind)

#002D62

Tritanopia (blue-blind)

#003B43

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172e63;
/* rgb */ color: rgb(23, 46, 99);
/* oklch */ color: oklch(31.6% 0.098 264.0);

Tailwind

colors: {
  custom: {
    50: '#606690',
    500: '#172e63',
    950: '#000000',
  },
}

SCSS

$custom: #172e63;
$custom-light: #606690;
$custom-dark: #000000;

JSON

{
  "hex": "#172e63",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 99
  },
  "hsl": {
    "h": 221.842,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.31604,
    "c": 0.09829,
    "h": 264
  },
  "luminance": 0.03037
}

Semantic roles & 50–950 ramp

primary

#172E63

secondary

#9A7D3C

accent

#B442E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #172E63

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

Preview Lab → · Contrast checker → · Palette generator →