#172770#172770

#172770 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.2% C 0.127 H 268.3°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#172770
RGB	rgb(23, 39, 112)
HSL	hsl(229, 66%, 26%)
HSV	hsv(229, 79%, 44%)
CMYK	cmyk(79.5%, 65.2%, 0%, 56.1%)
CIE-LAB	lab(19.24, 22.08, -44.03)
CIE-LCH	lch(19.24, 49.25, 296.63°)
OKLab	oklab(31.23% -0.0038 -0.1273)
OKLCH	oklch(31.23% 0.127 268.3)
XYZ	xyz(4.0025, 2.8026, 15.6561)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172770 #706017

analogous

#175470 #172770 #341770

triadic

#172770 #701727 #277017

tetradic

#172770 #701754 #706017 #177034

square

#172770 #701754 #706017 #177034

split-complementary

#172770 #703417 #547017

monochromatic

#050919 #0D153D #172770 #2139A3 #2D4BD4

Accessibility & contrast

On white

13.46

#172770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#172770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172770

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172770	#FFFFFF	#000000	##FFFFFF
##172770	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003372

Deuteranopia (green-blind)

#002B6F

Tritanopia (blue-blind)

#003A47

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172770;
/* rgb */ color: rgb(23, 39, 112);
/* oklch */ color: oklch(31.2% 0.127 268.3);

Tailwind

colors: {
  custom: {
    50: '#64609a',
    500: '#172770',
    950: '#000000',
  },
}

SCSS

$custom: #172770;
$custom-light: #64609a;
$custom-dark: #000000;

JSON

{
  "hex": "#172770",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 112
  },
  "hsl": {
    "h": 229.213,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31232,
    "c": 0.12733,
    "h": 268.3
  },
  "luminance": 0.02803
}

Semantic roles & 50–950 ramp

primary

#172770

secondary

#A6933D

accent

#CA3FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172770

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

Preview Lab → · Contrast checker → · Palette generator →