#172972#172972

#172972 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.8% C 0.128 H 267.7°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#172972
RGB	rgb(23, 41, 114)
HSL	hsl(228, 66%, 27%)
HSV	hsv(228, 80%, 45%)
CMYK	cmyk(79.8%, 64%, 0%, 55.3%)
CIE-LAB	lab(19.97, 21.46, -44.11)
CIE-LCH	lch(19.97, 49.06, 295.95°)
OKLab	oklab(31.84% -0.0052 -0.1275)
OKLCH	oklch(31.84% 0.128 267.7)
XYZ	xyz(4.1825, 2.9825, 16.2716)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172972 #726017

analogous

#175772 #172972 #331772

triadic

#172972 #721729 #297217

tetradic

#172972 #721757 #726017 #177233

square

#172972 #721757 #726017 #177233

split-complementary

#172972 #723317 #577217

monochromatic

#050919 #0D173F #172972 #213BA5 #2E4FD5

Accessibility & contrast

On white

13.15

#172972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#172972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172972

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172972	#FFFFFF	#000000	##FFFFFF
##172972	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003574

Deuteranopia (green-blind)

#002C71

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172972;
/* rgb */ color: rgb(23, 41, 114);
/* oklch */ color: oklch(31.8% 0.128 267.7);

Tailwind

colors: {
  custom: {
    50: '#64629b',
    500: '#172972',
    950: '#000000',
  },
}

SCSS

$custom: #172972;
$custom-light: #64629b;
$custom-dark: #000000;

JSON

{
  "hex": "#172972",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 114
  },
  "hsl": {
    "h": 228.132,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31836,
    "c": 0.1276,
    "h": 267.7
  },
  "luminance": 0.02983
}

Semantic roles & 50–950 ramp

primary

#172972

secondary

#A8933D

accent

#C83EE9

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172972

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

Preview Lab → · Contrast checker → · Palette generator →