#170F7D#170F7D

#170F7D is a dark, vivid blue. Relative luminance 0.020; OKLCH L 29.0% C 0.169 H 271.6°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#170F7D
RGB	rgb(23, 15, 125)
HSL	hsl(244, 79%, 27%)
HSV	hsv(244, 88%, 49%)
CMYK	cmyk(81.6%, 88%, 0%, 51%)
CIE-LAB	lab(15.51, 41.30, -58.53)
CIE-LCH	lch(15.51, 71.63, 305.21°)
OKLab	oklab(29% 0.0046 -0.1693)
OKLCH	oklch(29% 0.169 271.6)
XYZ	xyz(4.2246, 2.0040, 19.5622)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F7D #757D0F

analogous

#0F3E7D #170F7D #4E0F7D

triadic

#170F7D #7D170F #0F7D17

tetradic

#170F7D #7D0F3E #757D0F #0F7D4E

square

#170F7D #7D0F3E #757D0F #0F7D4E

split-complementary

#170F7D #7D4E0F #3E7D0F

monochromatic

#05031B #0D0846 #170F7D #2116B4 #3022E4

Accessibility & contrast

On white

14.99

#170F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#170F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F7D

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F7D	#FFFFFF	#000000	##FFFFFF
##170F7D	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C80

Deuteranopia (green-blind)

#00217B

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #170f7d;
/* rgb */ color: rgb(23, 15, 125);
/* oklch */ color: oklch(29.0% 0.169 271.6);

Tailwind

colors: {
  custom: {
    50: '#6a52a4',
    500: '#170f7d',
    950: '#000000',
  },
}

SCSS

$custom: #170f7d;
$custom-light: #6a52a4;
$custom-dark: #000000;

JSON

{
  "hex": "#170f7d",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 125
  },
  "hsl": {
    "h": 244.364,
    "s": 78.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29002,
    "c": 0.16937,
    "h": 271.6
  },
  "luminance": 0.02004
}

Semantic roles & 50–950 ramp

primary

#170F7D

secondary

#AAB434

accent

#F533E7

background

#F6F4FA

surface

#ECE7F4

border

#C7C3CE

text

#08020F

muted

#7A787F

Preview Lab

Preview with #170F7D

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

Preview Lab → · Contrast checker → · Palette generator →