#172D60#172D60

#172D60 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.1% C 0.095 H 264.1°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#172D60
RGB	rgb(23, 45, 96)
HSL	hsl(222, 61%, 23%)
HSV	hsv(222, 76%, 38%)
CMYK	cmyk(76%, 53.1%, 0%, 62.4%)
CIE-LAB	lab(19.65, 11.11, -32.92)
CIE-LCH	lch(19.65, 34.74, 288.65°)
OKLab	oklab(31.12% -0.0098 -0.0945)
OKLCH	oklch(31.12% 0.095 264.1)
XYZ	xyz(3.4023, 2.9031, 11.4451)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D60 #604A17

analogous

#175160 #172D60 #251760

triadic

#172D60 #60172D #2D6017

tetradic

#172D60 #601751 #604A17 #176025

square

#172D60 #601751 #604A17 #176025

split-complementary

#172D60 #602517 #516017

monochromatic

#060C19 #0B162F #172D60 #234491 #2F5BC3

Accessibility & contrast

On white

13.29

#172D60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#172D60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D60

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D60	#FFFFFF	#000000	##FFFFFF
##172D60	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3362

Deuteranopia (green-blind)

#002C5F

Tritanopia (blue-blind)

#003942

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172d60;
/* rgb */ color: rgb(23, 45, 96);
/* oklch */ color: oklch(31.1% 0.095 264.1);

Tailwind

colors: {
  custom: {
    50: '#5f658d',
    500: '#172d60',
    950: '#000000',
  },
}

SCSS

$custom: #172d60;
$custom-light: #5f658d;
$custom-dark: #000000;

JSON

{
  "hex": "#172d60",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 96
  },
  "hsl": {
    "h": 221.918,
    "s": 61.345,
    "l": 23.333
  },
  "oklch": {
    "l": 0.31121,
    "c": 0.09503,
    "h": 264.1
  },
  "luminance": 0.02903
}

Semantic roles & 50–950 ramp

primary

#172D60

secondary

#977B3C

accent

#B443E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #172D60

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

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