#171A60#171A60

#171A60 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.1% C 0.121 H 273.0°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#171A60
RGB	rgb(23, 26, 96)
HSL	hsl(238, 61%, 23%)
HSV	hsv(238, 76%, 38%)
CMYK	cmyk(76%, 72.9%, 0%, 62.4%)
CIE-LAB	lab(14.20, 24.85, -41.79)
CIE-LCH	lch(14.20, 48.62, 300.73°)
OKLab	oklab(27.06% 0.0064 -0.1208)
OKLCH	oklch(27.06% 0.121 273)
XYZ	xyz(2.8334, 1.7652, 11.2555)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A60 #605D17

analogous

#173E60 #171A60 #381760

triadic

#171A60 #60171A #1A6017

tetradic

#171A60 #60173E #605D17 #176038

square

#171A60 #60173E #605D17 #176038

split-complementary

#171A60 #603817 #3E6017

monochromatic

#060719 #0B0D2F #171A60 #232791 #2F35C3

Accessibility & contrast

On white

15.52

#171A60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#171A60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A60

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A60	#FFFFFF	#000000	##FFFFFF
##171A60	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002762

Deuteranopia (green-blind)

#00215F

Tritanopia (blue-blind)

#002D3A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #171a60;
/* rgb */ color: rgb(23, 26, 96);
/* oklch */ color: oklch(27.1% 0.121 273.0);

Tailwind

colors: {
  custom: {
    50: '#61578e',
    500: '#171a60',
    950: '#000000',
  },
}

SCSS

$custom: #171a60;
$custom-light: #61578e;
$custom-dark: #000000;

JSON

{
  "hex": "#171a60",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 96
  },
  "hsl": {
    "h": 237.534,
    "s": 61.345,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27064,
    "c": 0.12098,
    "h": 273
  },
  "luminance": 0.01765
}

Semantic roles & 50–950 ramp

primary

#171A60

secondary

#97933C

accent

#DE43E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #171A60

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

Preview Lab → · Contrast checker → · Palette generator →