#171270#171270

#171270 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.151 H 272.8°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#171270
RGB	rgb(23, 18, 112)
HSL	hsl(243, 72%, 25%)
HSV	hsv(243, 84%, 44%)
CMYK	cmyk(79.5%, 83.9%, 0%, 56.1%)
CIE-LAB	lab(14.31, 35.59, -52.14)
CIE-LCH	lch(14.31, 63.12, 304.32°)
OKLab	oklab(27.69% 0.0073 -0.1509)
OKLCH	oklch(27.69% 0.151 272.8)
XYZ	xyz(3.4933, 1.7843, 15.4864)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171270 #6B7012

analogous

#123C70 #171270 #461270

triadic

#171270 #701712 #127017

tetradic

#171270 #70123C #6B7012 #127046

square

#171270 #70123C #6B7012 #127046

split-complementary

#171270 #704612 #3C7012

monochromatic

#05041A #0C0A3B #171270 #221AA5 #2D23D9

Accessibility & contrast

On white

15.48

#171270 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#171270 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171270

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171270	#FFFFFF	#000000	##FFFFFF
##171270	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002973

Deuteranopia (green-blind)

#00206E

Tritanopia (blue-blind)

#002F41

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #171270;
/* rgb */ color: rgb(23, 18, 112);
/* oklch */ color: oklch(27.7% 0.151 272.8);

Tailwind

colors: {
  custom: {
    50: '#66529a',
    500: '#171270',
    950: '#000000',
  },
}

SCSS

$custom: #171270;
$custom-light: #66529a;
$custom-dark: #000000;

JSON

{
  "hex": "#171270",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 112
  },
  "hsl": {
    "h": 243.191,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.2769,
    "c": 0.15104,
    "h": 272.8
  },
  "luminance": 0.01785
}

Semantic roles & 50–950 ramp

primary

#171270

secondary

#A1A737

accent

#EF39E5

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #171270

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

Preview Lab → · Contrast checker → · Palette generator →