#171877#171877

#171877 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.154 H 271.3°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#171877
RGB	rgb(23, 24, 119)
HSL	hsl(239, 68%, 28%)
HSV	hsv(239, 81%, 47%)
CMYK	cmyk(80.7%, 79.8%, 0%, 53.3%)
CIE-LAB	lab(16.34, 34.65, -53.30)
CIE-LCH	lch(16.34, 63.57, 303.02°)
OKLab	oklab(29.36% 0.0035 -0.1543)
OKLCH	oklch(29.36% 0.154 271.3)
XYZ	xyz(4.0086, 2.1669, 17.6562)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171877 #777617

analogous

#174877 #171877 #461777

triadic

#171877 #771718 #187717

tetradic

#171877 #771748 #777617 #177746

square

#171877 #771748 #777617 #177746

split-complementary

#171877 #774617 #487717

monochromatic

#05051A #0D0E44 #171877 #2122AA #3133D7

Accessibility & contrast

On white

14.65

#171877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#171877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171877

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171877	#FFFFFF	#000000	##FFFFFF
##171877	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7A

Deuteranopia (green-blind)

#002475

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171877;
/* rgb */ color: rgb(23, 24, 119);
/* oklch */ color: oklch(29.4% 0.154 271.3);

Tailwind

colors: {
  custom: {
    50: '#67569f',
    500: '#171877',
    950: '#000000',
  },
}

SCSS

$custom: #171877;
$custom-light: #67569f;
$custom-dark: #000000;

JSON

{
  "hex": "#171877",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 119
  },
  "hsl": {
    "h": 239.375,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29361,
    "c": 0.15437,
    "h": 271.3
  },
  "luminance": 0.02167
}

Semantic roles & 50–950 ramp

primary

#171877

secondary

#ACAB3E

accent

#E93DEA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #171877

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

Preview Lab → · Contrast checker → · Palette generator →