#171966#171966

#171966 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.5% C 0.131 H 272.7°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#171966
RGB	rgb(23, 25, 102)
HSL	hsl(238, 63%, 25%)
HSV	hsv(238, 77%, 40%)
CMYK	cmyk(77.5%, 75.5%, 0%, 60%)
CIE-LAB	lab(14.60, 27.81, -45.10)
CIE-LCH	lch(14.60, 52.99, 301.66°)
OKLab	oklab(27.55% 0.0062 -0.1305)
OKLCH	oklch(27.55% 0.131 272.7)
XYZ	xyz(3.0984, 1.8364, 12.7590)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171966 #666417

analogous

#174166 #171966 #3D1766

triadic

#171966 #661719 #196617

tetradic

#171966 #661741 #666417 #17663D

square

#171966 #661741 #666417 #17663D

split-complementary

#171966 #663D17 #416617

monochromatic

#060619 #0C0D34 #171966 #222598 #2E31CA

Accessibility & contrast

On white

15.36

#171966 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#171966 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171966

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171966	#FFFFFF	#000000	##FFFFFF
##171966	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002968

Deuteranopia (green-blind)

#002165

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #171966;
/* rgb */ color: rgb(23, 25, 102);
/* oklch */ color: oklch(27.5% 0.131 272.7);

Tailwind

colors: {
  custom: {
    50: '#625693',
    500: '#171966',
    950: '#000000',
  },
}

SCSS

$custom: #171966;
$custom-light: #625693;
$custom-dark: #000000;

JSON

{
  "hex": "#171966",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 102
  },
  "hsl": {
    "h": 238.481,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27548,
    "c": 0.13064,
    "h": 272.7
  },
  "luminance": 0.01837
}

Semantic roles & 50–950 ramp

primary

#171966

secondary

#9C9A3C

accent

#E242E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171966

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

Preview Lab → · Contrast checker → · Palette generator →