#170F68#170F68

#170F68 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.3% C 0.143 H 274.2°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#170F68
RGB	rgb(23, 15, 104)
HSL	hsl(245, 75%, 23%)
HSV	hsv(245, 86%, 41%)
CMYK	cmyk(77.9%, 85.6%, 0%, 59.2%)
CIE-LAB	lab(12.75, 34.46, -49.48)
CIE-LCH	lch(12.75, 60.30, 304.86°)
OKLab	oklab(26.31% 0.0106 -0.1431)
OKLCH	oklch(26.31% 0.143 274.2)
XYZ	xyz(3.0220, 1.5230, 13.2287)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F68 #60680F

analogous

#0F3368 #170F68 #430F68

triadic

#170F68 #68170F #0F6817

tetradic

#170F68 #680F33 #60680F #0F6843

square

#170F68 #680F33 #60680F #0F6843

split-complementary

#170F68 #68430F #33680F

monochromatic

#06041B #0B0733 #170F68 #23179D #2F1ED3

Accessibility & contrast

On white

16.10

#170F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#170F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F68

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F68	#FFFFFF	#000000	##FFFFFF
##170F68	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00256A

Deuteranopia (green-blind)

#001D66

Tritanopia (blue-blind)

#002B3C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #170f68;
/* rgb */ color: rgb(23, 15, 104);
/* oklch */ color: oklch(26.3% 0.143 274.2);

Tailwind

colors: {
  custom: {
    50: '#645094',
    500: '#170f68',
    950: '#000000',
  },
}

SCSS

$custom: #170f68;
$custom-light: #645094;
$custom-dark: #000000;

JSON

{
  "hex": "#170f68",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 104
  },
  "hsl": {
    "h": 245.393,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.26312,
    "c": 0.14349,
    "h": 274.2
  },
  "luminance": 0.01523
}

Semantic roles & 50–950 ramp

primary

#170F68

secondary

#97A132

accent

#F136E1

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #170F68

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

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