#172E64#172E64

#172E64 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.7% C 0.100 H 264.1°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#172E64
RGB	rgb(23, 46, 100)
HSL	hsl(222, 63%, 24%)
HSV	hsv(222, 77%, 39%)
CMYK	cmyk(77%, 54%, 0%, 60.8%)
CIE-LAB	lab(20.27, 12.06, -34.55)
CIE-LCH	lch(20.27, 36.60, 289.24°)
OKLab	oklab(31.69% -0.0102 -0.0993)
OKLCH	oklch(31.69% 0.1 264.1)
XYZ	xyz(3.6298, 3.0559, 12.4527)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E64 #644D17

analogous

#175564 #172E64 #271764

triadic

#172E64 #64172E #2E6417

tetradic

#172E64 #641755 #644D17 #176427

square

#172E64 #641755 #644D17 #176427

split-complementary

#172E64 #642717 #556417

monochromatic

#060B19 #0C1732 #172E64 #224596 #2E5CC8

Accessibility & contrast

On white

13.03

#172E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#172E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E64

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E64	#FFFFFF	#000000	##FFFFFF
##172E64	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3566

Deuteranopia (green-blind)

#002E63

Tritanopia (blue-blind)

#003B44

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172e64;
/* rgb */ color: rgb(23, 46, 100);
/* oklch */ color: oklch(31.7% 0.100 264.1);

Tailwind

colors: {
  custom: {
    50: '#606691',
    500: '#172e64',
    950: '#000000',
  },
}

SCSS

$custom: #172e64;
$custom-light: #606691;
$custom-dark: #000000;

JSON

{
  "hex": "#172e64",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 100
  },
  "hsl": {
    "h": 222.078,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.31686,
    "c": 0.09983,
    "h": 264.1
  },
  "luminance": 0.03056
}

Semantic roles & 50–950 ramp

primary

#172E64

secondary

#9A7E3C

accent

#B542E6

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05050D

muted

#7A7A7D

Preview Lab

Preview with #172E64

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

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