#171989#171989

#171989 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.176 H 269.8°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#171989
RGB	rgb(23, 25, 137)
HSL	hsl(239, 71%, 31%)
HSV	hsv(239, 83%, 54%)
CMYK	cmyk(83.2%, 81.8%, 0%, 46.3%)
CIE-LAB	lab(18.73, 40.31, -60.78)
CIE-LCH	lch(18.73, 72.93, 303.55°)
OKLab	oklab(31.67% -0.0005 -0.176)
OKLCH	oklch(31.67% 0.176 269.8)
XYZ	xyz(5.2148, 2.6830, 23.9051)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171989 #898717

analogous

#175289 #171989 #4E1789

triadic

#171989 #891719 #198917

tetradic

#171989 #891752 #898717 #17894E

square

#171989 #891752 #898717 #17894E

split-complementary

#171989 #894E17 #528917

monochromatic

#050620 #0E0F55 #171989 #2023BD #3C3FDE

Accessibility & contrast

On white

13.66

#171989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#171989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171989

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171989	#FFFFFF	#000000	##FFFFFF
##171989	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338C

Deuteranopia (green-blind)

#002887

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #171989;
/* rgb */ color: rgb(23, 25, 137);
/* oklch */ color: oklch(31.7% 0.176 269.8);

Tailwind

colors: {
  custom: {
    50: '#6c58ad',
    500: '#171989',
    950: '#000000',
  },
}

SCSS

$custom: #171989;
$custom-light: #6c58ad;
$custom-dark: #000000;

JSON

{
  "hex": "#171989",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 137
  },
  "hsl": {
    "h": 238.947,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.31674,
    "c": 0.17602,
    "h": 269.8
  },
  "luminance": 0.02684
}

Semantic roles & 50–950 ramp

primary

#171989

secondary

#BDBA3F

accent

#EB3AEE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171989

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

Preview Lab → · Contrast checker → · Palette generator →