#170E59#170E59

#170E59 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.3% C 0.125 H 277.1°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#170E59
RGB	rgb(23, 14, 89)
HSL	hsl(247, 73%, 20%)
HSV	hsv(247, 84%, 35%)
CMYK	cmyk(74.2%, 84.3%, 0%, 65.1%)
CIE-LAB	lab(10.68, 29.87, -42.89)
CIE-LCH	lch(10.68, 52.27, 304.86°)
OKLab	oklab(24.32% 0.0154 -0.1239)
OKLCH	oklch(24.32% 0.125 277.1)
XYZ	xyz(2.3130, 1.2173, 9.5623)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E59 #50590E

analogous

#0E2A59 #170E59 #3C0E59

triadic

#170E59 #59170E #0E5917

tetradic

#170E59 #590E2A #50590E #0E593C

square

#170E59 #590E2A #50590E #0E593C

split-complementary

#170E59 #593C0E #2A590E

monochromatic

#07041A #090624 #170E59 #25168E #321FC3

Accessibility & contrast

On white

16.89

#170E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#170E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E59

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E59	#FFFFFF	#000000	##FFFFFF
##170E59	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205B

Deuteranopia (green-blind)

#001A58

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #170e59;
/* rgb */ color: rgb(23, 14, 89);
/* oklch */ color: oklch(24.3% 0.125 277.1);

Tailwind

colors: {
  custom: {
    50: '#604e89',
    500: '#170e59',
    950: '#000000',
  },
}

SCSS

$custom: #170e59;
$custom-light: #604e89;
$custom-dark: #000000;

JSON

{
  "hex": "#170e59",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 89
  },
  "hsl": {
    "h": 247.2,
    "s": 72.816,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24322,
    "c": 0.1249,
    "h": 277.1
  },
  "luminance": 0.01218
}

Semantic roles & 50–950 ramp

primary

#170E59

secondary

#879330

accent

#F038DA

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #170E59

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

Preview Lab → · Contrast checker → · Palette generator →