#170F69#170F69

#170F69 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.4% C 0.145 H 274.1°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#170F69
RGB	rgb(23, 15, 105)
HSL	hsl(245, 75%, 24%)
HSV	hsv(245, 86%, 41%)
CMYK	cmyk(78.1%, 85.7%, 0%, 58.8%)
CIE-LAB	lab(12.88, 34.80, -49.93)
CIE-LCH	lch(12.88, 60.86, 304.88°)
OKLab	oklab(26.44% 0.0103 -0.1444)
OKLCH	oklch(26.44% 0.145 274.1)
XYZ	xyz(3.0731, 1.5434, 13.4978)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F69 #61690F

analogous

#0F3469 #170F69 #440F69

triadic

#170F69 #69170F #0F6917

tetradic

#170F69 #690F34 #61690F #0F6944

square

#170F69 #690F34 #61690F #0F6944

split-complementary

#170F69 #69440F #34690F

monochromatic

#06041B #0B0733 #170F69 #23179F #2E1ED4

Accessibility & contrast

On white

16.05

#170F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#170F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F69

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F69	#FFFFFF	#000000	##FFFFFF
##170F69	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00256B

Deuteranopia (green-blind)

#001D67

Tritanopia (blue-blind)

#002B3D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #170f69;
/* rgb */ color: rgb(23, 15, 105);
/* oklch */ color: oklch(26.4% 0.145 274.1);

Tailwind

colors: {
  custom: {
    50: '#645095',
    500: '#170f69',
    950: '#000000',
  },
}

SCSS

$custom: #170f69;
$custom-light: #645095;
$custom-dark: #000000;

JSON

{
  "hex": "#170f69",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 105
  },
  "hsl": {
    "h": 245.333,
    "s": 75,
    "l": 23.529
  },
  "oklch": {
    "l": 0.26438,
    "c": 0.14477,
    "h": 274.1
  },
  "luminance": 0.01544
}

Semantic roles & 50–950 ramp

primary

#170F69

secondary

#98A132

accent

#F236E1

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #170F69

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

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