#171852#171852

#171852 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.103 H 275.4°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#171852
RGB	rgb(23, 24, 82)
HSL	hsl(239, 56%, 21%)
HSV	hsv(239, 72%, 32%)
CMYK	cmyk(72%, 70.7%, 0%, 67.8%)
CIE-LAB	lab(12.25, 20.78, -35.56)
CIE-LCH	lch(12.25, 41.19, 300.30°)
OKLab	oklab(25.21% 0.0096 -0.1026)
OKLCH	oklch(25.21% 0.103 275.4)
XYZ	xyz(2.2025, 1.4444, 8.1437)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171852 #525117

analogous

#173552 #171852 #331752

triadic

#171852 #521718 #185217

tetradic

#171852 #521735 #525117 #175233

square

#171852 #521735 #525117 #175233

split-complementary

#171852 #523317 #355217

monochromatic

#070718 #0A0A22 #171852 #242682 #3234B2

Accessibility & contrast

On white

16.29

#171852 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#171852 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171852

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171852	#FFFFFF	#000000	##FFFFFF
##171852	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002354

Deuteranopia (green-blind)

#001D51

Tritanopia (blue-blind)

#002732

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #171852;
/* rgb */ color: rgb(23, 24, 82);
/* oklch */ color: oklch(25.2% 0.103 275.4);

Tailwind

colors: {
  custom: {
    50: '#5d5583',
    500: '#171852',
    950: '#000000',
  },
}

SCSS

$custom: #171852;
$custom-light: #5d5583;
$custom-dark: #000000;

JSON

{
  "hex": "#171852",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 82
  },
  "hsl": {
    "h": 238.983,
    "s": 56.19,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25207,
    "c": 0.10303,
    "h": 275.4
  },
  "luminance": 0.01445
}

Semantic roles & 50–950 ramp

primary

#171852

secondary

#89883C

accent

#DD48DF

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #171852

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

Preview Lab → · Contrast checker → · Palette generator →