#171F62#171F62

#171F62 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.2% C 0.117 H 271.3°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#171F62
RGB	rgb(23, 31, 98)
HSL	hsl(234, 62%, 24%)
HSV	hsv(234, 77%, 38%)
CMYK	cmyk(76.5%, 68.4%, 0%, 61.6%)
CIE-LAB	lab(15.71, 22.14, -40.64)
CIE-LCH	lch(15.71, 46.28, 298.58°)
OKLab	oklab(28.23% 0.0026 -0.1174)
OKLCH	oklch(28.23% 0.117 271.3)
XYZ	xyz(3.0472, 2.0437, 11.7868)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171F62 #625A17

analogous

#174462 #171F62 #341762

triadic

#171F62 #62171F #1F6217

tetradic

#171F62 #621744 #625A17 #176234

square

#171F62 #621744 #625A17 #176234

split-complementary

#171F62 #623417 #446217

monochromatic

#060819 #0B0F30 #171F62 #232F94 #2E3EC5

Accessibility & contrast

On white

14.91

#171F62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#171F62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171F62

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171F62	#FFFFFF	#000000	##FFFFFF
##171F62	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B64

Deuteranopia (green-blind)

#002461

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171f62;
/* rgb */ color: rgb(23, 31, 98);
/* oklch */ color: oklch(28.2% 0.117 271.3);

Tailwind

colors: {
  custom: {
    50: '#615a8f',
    500: '#171f62',
    950: '#000000',
  },
}

SCSS

$custom: #171f62;
$custom-light: #615a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#171f62",
  "rgb": {
    "r": 23,
    "g": 31,
    "b": 98
  },
  "hsl": {
    "h": 233.6,
    "s": 61.983,
    "l": 23.725
  },
  "oklch": {
    "l": 0.28226,
    "c": 0.11745,
    "h": 271.3
  },
  "luminance": 0.02044
}

Semantic roles & 50–950 ramp

primary

#171F62

secondary

#998F3C

accent

#D443E5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #171F62

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

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