#171980#171980

#171980 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.165 H 270.5°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#171980
RGB	rgb(23, 25, 128)
HSL	hsl(239, 70%, 30%)
HSV	hsv(239, 82%, 50%)
CMYK	cmyk(82%, 80.5%, 0%, 49.8%)
CIE-LAB	lab(17.62, 37.23, -56.93)
CIE-LCH	lch(17.62, 68.02, 303.18°)
OKLab	oklab(30.58% 0.0013 -0.1649)
OKLCH	oklch(30.58% 0.165 270.5)
XYZ	xyz(4.5959, 2.4354, 20.6457)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171980 #807E17

analogous

#174E80 #171980 #4A1780

triadic

#171980 #801719 #198017

tetradic

#171980 #80174E #807E17 #17804A

square

#171980 #80174E #807E17 #17804A

split-complementary

#171980 #804A17 #4E8017

monochromatic

#05051A #0E0F4C #171980 #2023B4 #363ADB

Accessibility & contrast

On white

14.12

#171980 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#171980 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171980

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171980	#FFFFFF	#000000	##FFFFFF
##171980	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#00267E

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #171980;
/* rgb */ color: rgb(23, 25, 128);
/* oklch */ color: oklch(30.6% 0.165 270.5);

Tailwind

colors: {
  custom: {
    50: '#6a58a6',
    500: '#171980',
    950: '#000000',
  },
}

SCSS

$custom: #171980;
$custom-light: #6a58a6;
$custom-dark: #000000;

JSON

{
  "hex": "#171980",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 128
  },
  "hsl": {
    "h": 238.857,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30582,
    "c": 0.16487,
    "h": 270.5
  },
  "luminance": 0.02436
}

Semantic roles & 50–950 ramp

primary

#171980

secondary

#B4B23E

accent

#E93BEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #171980

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

Preview Lab → · Contrast checker → · Palette generator →