#170F64#170F64

#170F64 is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.8% C 0.138 H 274.9°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#170F64
RGB	rgb(23, 15, 100)
HSL	hsl(246, 74%, 23%)
HSV	hsv(246, 85%, 39%)
CMYK	cmyk(77%, 85%, 0%, 60.8%)
CIE-LAB	lab(12.24, 33.11, -47.68)
CIE-LCH	lch(12.24, 58.05, 304.78°)
OKLab	oklab(25.81% 0.0117 -0.1379)
OKLCH	oklch(25.81% 0.138 274.9)
XYZ	xyz(2.8237, 1.4436, 12.1840)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F64 #5C640F

analogous

#0F3264 #170F64 #410F64

triadic

#170F64 #64170F #0F6417

tetradic

#170F64 #640F32 #5C640F #0F6441

square

#170F64 #640F32 #5C640F #0F6441

split-complementary

#170F64 #64410F #32640F

monochromatic

#06041B #0B072F #170F64 #231799 #2F1FCE

Accessibility & contrast

On white

16.29

#170F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#170F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F64

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F64	#FFFFFF	#000000	##FFFFFF
##170F64	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002466

Deuteranopia (green-blind)

#001C63

Tritanopia (blue-blind)

#00293A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #170f64;
/* rgb */ color: rgb(23, 15, 100);
/* oklch */ color: oklch(25.8% 0.138 274.9);

Tailwind

colors: {
  custom: {
    50: '#635091',
    500: '#170f64',
    950: '#000000',
  },
}

SCSS

$custom: #170f64;
$custom-light: #635091;
$custom-dark: #000000;

JSON

{
  "hex": "#170f64",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 100
  },
  "hsl": {
    "h": 245.647,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.25812,
    "c": 0.13837,
    "h": 274.9
  },
  "luminance": 0.01444
}

Semantic roles & 50–950 ramp

primary

#170F64

secondary

#939D32

accent

#F137DF

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #170F64

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

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