#170E5D#170E5D

#170E5D is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.8% C 0.130 H 276.3°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#170E5D
RGB	rgb(23, 14, 93)
HSL	hsl(247, 74%, 21%)
HSV	hsv(247, 85%, 36%)
CMYK	cmyk(75.3%, 84.9%, 0%, 63.5%)
CIE-LAB	lab(11.18, 31.26, -44.77)
CIE-LCH	lch(11.18, 54.60, 304.92°)
OKLab	oklab(24.81% 0.0142 -0.1294)
OKLCH	oklch(24.81% 0.13 276.3)
XYZ	xyz(2.4855, 1.2863, 10.4711)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E5D #545D0E

analogous

#0E2C5D #170E5D #3E0E5D

triadic

#170E5D #5D170E #0E5D17

tetradic

#170E5D #5D0E2C #545D0E #0E5D3E

square

#170E5D #5D0E2C #545D0E #0E5D3E

split-complementary

#170E5D #5D3E0E #2C5D0E

monochromatic

#07041B #0A0628 #170E5D #241692 #311EC7

Accessibility & contrast

On white

16.70

#170E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#170E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E5D

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E5D	#FFFFFF	#000000	##FFFFFF
##170E5D	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215F

Deuteranopia (green-blind)

#001A5C

Tritanopia (blue-blind)

#002636

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #170e5d;
/* rgb */ color: rgb(23, 14, 93);
/* oklch */ color: oklch(24.8% 0.130 276.3);

Tailwind

colors: {
  custom: {
    50: '#614f8c',
    500: '#170e5d',
    950: '#000000',
  },
}

SCSS

$custom: #170e5d;
$custom-light: #614f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#170e5d",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 93
  },
  "hsl": {
    "h": 246.835,
    "s": 73.832,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24813,
    "c": 0.13019,
    "h": 276.3
  },
  "luminance": 0.01287
}

Semantic roles & 50–950 ramp

primary

#170E5D

secondary

#8B9730

accent

#F037DB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #170E5D

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

Preview Lab → · Contrast checker → · Palette generator →