#171E64#171E64

#171E64 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.2% C 0.122 H 271.5°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#171E64
RGB	rgb(23, 30, 100)
HSL	hsl(235, 63%, 24%)
HSV	hsv(235, 77%, 39%)
CMYK	cmyk(77%, 70%, 0%, 60.8%)
CIE-LAB	lab(15.65, 23.64, -42.07)
CIE-LCH	lch(15.65, 48.26, 299.33°)
OKLab	oklab(28.24% 0.0032 -0.1216)
OKLCH	oklch(28.24% 0.122 271.5)
XYZ	xyz(3.1171, 2.0305, 12.2818)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E64 #645D17

analogous

#174564 #171E64 #371764

triadic

#171E64 #64171E #1E6417

tetradic

#171E64 #641745 #645D17 #176437

square

#171E64 #641745 #645D17 #176437

split-complementary

#171E64 #643717 #456417

monochromatic

#060719 #0C0F32 #171E64 #222D96 #2E3CC8

Accessibility & contrast

On white

14.93

#171E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#171E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E64

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E64	#FFFFFF	#000000	##FFFFFF
##171E64	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B66

Deuteranopia (green-blind)

#002363

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171e64;
/* rgb */ color: rgb(23, 30, 100);
/* oklch */ color: oklch(28.2% 0.122 271.5);

Tailwind

colors: {
  custom: {
    50: '#615a91',
    500: '#171e64',
    950: '#000000',
  },
}

SCSS

$custom: #171e64;
$custom-light: #615a91;
$custom-dark: #000000;

JSON

{
  "hex": "#171e64",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 100
  },
  "hsl": {
    "h": 234.545,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.28237,
    "c": 0.12166,
    "h": 271.5
  },
  "luminance": 0.02031
}

Semantic roles & 50–950 ramp

primary

#171E64

secondary

#9A923C

accent

#D742E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171E64

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

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