#171970#171970

#171970 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.7% C 0.144 H 271.8°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#171970
RGB	rgb(23, 25, 112)
HSL	hsl(239, 66%, 26%)
HSV	hsv(239, 79%, 44%)
CMYK	cmyk(79.5%, 77.7%, 0%, 56.1%)
CIE-LAB	lab(15.73, 31.52, -49.79)
CIE-LCH	lch(15.73, 58.93, 302.34°)
OKLab	oklab(28.69% 0.0044 -0.1441)
OKLCH	oklch(28.69% 0.144 271.8)
XYZ	xyz(3.6246, 2.0469, 15.5302)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171970 #706E17

analogous

#174670 #171970 #421770

triadic

#171970 #701719 #197017

tetradic

#171970 #701746 #706E17 #177042

square

#171970 #701746 #706E17 #177042

split-complementary

#171970 #704217 #467017

monochromatic

#050619 #0D0E3D #171970 #2124A3 #2D31D4

Accessibility & contrast

On white

14.90

#171970 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#171970 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171970

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171970	#FFFFFF	#000000	##FFFFFF
##171970	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C73

Deuteranopia (green-blind)

#00236E

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171970;
/* rgb */ color: rgb(23, 25, 112);
/* oklch */ color: oklch(28.7% 0.144 271.8);

Tailwind

colors: {
  custom: {
    50: '#65579a',
    500: '#171970',
    950: '#000000',
  },
}

SCSS

$custom: #171970;
$custom-light: #65579a;
$custom-dark: #000000;

JSON

{
  "hex": "#171970",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 112
  },
  "hsl": {
    "h": 238.652,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.28688,
    "c": 0.14419,
    "h": 271.8
  },
  "luminance": 0.02047
}

Semantic roles & 50–950 ramp

primary

#171970

secondary

#A6A33D

accent

#E53FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171970

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

Preview Lab → · Contrast checker → · Palette generator →