#171E68#171E68

#171E68 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.7% C 0.127 H 271.3°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#171E68
RGB	rgb(23, 30, 104)
HSL	hsl(235, 64%, 25%)
HSV	hsv(235, 78%, 41%)
CMYK	cmyk(77.9%, 71.2%, 0%, 59.2%)
CIE-LAB	lab(16.05, 25.21, -44.04)
CIE-LCH	lch(16.05, 50.74, 299.79°)
OKLab	oklab(28.66% 0.0028 -0.1274)
OKLCH	oklch(28.66% 0.127 271.3)
XYZ	xyz(3.3155, 2.1098, 13.3265)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E68 #686117

analogous

#174668 #171E68 #391768

triadic

#171E68 #68171E #1E6817

tetradic

#171E68 #681746 #686117 #176839

square

#171E68 #681746 #686117 #176839

split-complementary

#171E68 #683917 #466817

monochromatic

#060719 #0C1036 #171E68 #222C9A #2D3BCC

Accessibility & contrast

On white

14.77

#171E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#171E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E68

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E68	#FFFFFF	#000000	##FFFFFF
##171E68	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002467

Tritanopia (blue-blind)

#003240

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171e68;
/* rgb */ color: rgb(23, 30, 104);
/* oklch */ color: oklch(28.7% 0.127 271.3);

Tailwind

colors: {
  custom: {
    50: '#625a94',
    500: '#171e68',
    950: '#000000',
  },
}

SCSS

$custom: #171e68;
$custom-light: #625a94;
$custom-dark: #000000;

JSON

{
  "hex": "#171e68",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 104
  },
  "hsl": {
    "h": 234.815,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28658,
    "c": 0.12739,
    "h": 271.3
  },
  "luminance": 0.0211
}

Semantic roles & 50–950 ramp

primary

#171E68

secondary

#9E963D

accent

#D841E7

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171E68

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

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