#171678#171678

#171678 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.2% C 0.158 H 271.5°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#171678
RGB	rgb(23, 22, 120)
HSL	hsl(241, 69%, 28%)
HSV	hsv(241, 82%, 47%)
CMYK	cmyk(80.8%, 81.7%, 0%, 52.9%)
CIE-LAB	lab(16.06, 36.14, -54.41)
CIE-LCH	lch(16.06, 65.32, 303.60°)
OKLab	oklab(29.2% 0.004 -0.1575)
OKLCH	oklch(29.2% 0.158 271.5)
XYZ	xyz(4.0293, 2.1116, 17.9609)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171678 #777816

analogous

#164678 #171678 #481678

triadic

#171678 #781716 #167817

tetradic

#171678 #781646 #777816 #167848

square

#171678 #781646 #777816 #167848

split-complementary

#171678 #784816 #467816

monochromatic

#05051A #0D0D44 #171678 #211FAC #312FD9

Accessibility & contrast

On white

14.76

#171678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#171678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171678

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171678	#FFFFFF	#000000	##FFFFFF
##171678	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7B

Deuteranopia (green-blind)

#002376

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171678;
/* rgb */ color: rgb(23, 22, 120);
/* oklch */ color: oklch(29.2% 0.158 271.5);

Tailwind

colors: {
  custom: {
    50: '#6855a0',
    500: '#171678',
    950: '#000000',
  },
}

SCSS

$custom: #171678;
$custom-light: #6855a0;
$custom-dark: #000000;

JSON

{
  "hex": "#171678",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 120
  },
  "hsl": {
    "h": 240.612,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29202,
    "c": 0.15755,
    "h": 271.5
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#171678

secondary

#ACAD3C

accent

#EC3CEA

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #171678

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

Preview Lab → · Contrast checker → · Palette generator →