#172E60#172E60

#172E60 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.094 H 263.4°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#172E60
RGB	rgb(23, 46, 96)
HSL	hsl(221, 61%, 23%)
HSV	hsv(221, 76%, 38%)
CMYK	cmyk(76%, 52.1%, 0%, 62.4%)
CIE-LAB	lab(19.96, 10.38, -32.42)
CIE-LCH	lch(19.96, 34.04, 287.76°)
OKLab	oklab(31.36% -0.0108 -0.093)
OKLCH	oklch(31.36% 0.094 263.4)
XYZ	xyz(3.4409, 2.9803, 11.4580)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E60 #604917

analogous

#175260 #172E60 #241760

triadic

#172E60 #60172E #2E6017

tetradic

#172E60 #601752 #604917 #176024

square

#172E60 #601752 #604917 #176024

split-complementary

#172E60 #602417 #526017

monochromatic

#060C19 #0B162F #172E60 #234691 #2F5DC3

Accessibility & contrast

On white

13.16

#172E60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#172E60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E60

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E60	#FFFFFF	#000000	##FFFFFF
##172E60	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123462

Deuteranopia (green-blind)

#002D5F

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172e60;
/* rgb */ color: rgb(23, 46, 96);
/* oklch */ color: oklch(31.4% 0.094 263.4);

Tailwind

colors: {
  custom: {
    50: '#5f668d',
    500: '#172e60',
    950: '#000000',
  },
}

SCSS

$custom: #172e60;
$custom-light: #5f668d;
$custom-dark: #000000;

JSON

{
  "hex": "#172e60",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 96
  },
  "hsl": {
    "h": 221.096,
    "s": 61.345,
    "l": 23.333
  },
  "oklch": {
    "l": 0.3136,
    "c": 0.09364,
    "h": 263.4
  },
  "luminance": 0.02981
}

Semantic roles & 50–950 ramp

primary

#172E60

secondary

#977A3C

accent

#B243E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #172E60

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

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