#172E61#172E61

#172E61 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.095 H 263.6°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#172E61
RGB	rgb(23, 46, 97)
HSL	hsl(221, 62%, 24%)
HSV	hsv(221, 76%, 38%)
CMYK	cmyk(76.3%, 52.6%, 0%, 62%)
CIE-LAB	lab(20.04, 10.80, -32.95)
CIE-LCH	lch(20.04, 34.68, 288.15°)
OKLab	oklab(31.44% -0.0106 -0.0946)
OKLCH	oklch(31.44% 0.095 263.6)
XYZ	xyz(3.4872, 2.9988, 11.7020)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E61 #614A17

analogous

#175361 #172E61 #251761

triadic

#172E61 #61172E #2E6117

tetradic

#172E61 #611753 #614A17 #176125

square

#172E61 #611753 #614A17 #176125

split-complementary

#172E61 #612517 #536117

monochromatic

#060C19 #0B1730 #172E61 #234592 #2E5DC4

Accessibility & contrast

On white

13.13

#172E61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#172E61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E61

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E61	#FFFFFF	#000000	##FFFFFF
##172E61	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113463

Deuteranopia (green-blind)

#002D60

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172e61;
/* rgb */ color: rgb(23, 46, 97);
/* oklch */ color: oklch(31.4% 0.095 263.6);

Tailwind

colors: {
  custom: {
    50: '#5f668e',
    500: '#172e61',
    950: '#000000',
  },
}

SCSS

$custom: #172e61;
$custom-light: #5f668e;
$custom-dark: #000000;

JSON

{
  "hex": "#172e61",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 97
  },
  "hsl": {
    "h": 221.351,
    "s": 61.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.3144,
    "c": 0.0952,
    "h": 263.6
  },
  "luminance": 0.02999
}

Semantic roles & 50–950 ramp

primary

#172E61

secondary

#987B3C

accent

#B243E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #172E61

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

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