#172880#172880

#172880 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.149 H 268.0°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#172880
RGB	rgb(23, 40, 128)
HSL	hsl(230, 70%, 30%)
HSV	hsv(230, 82%, 50%)
CMYK	cmyk(82%, 68.8%, 0%, 49.8%)
CIE-LAB	lab(21.05, 27.75, -51.28)
CIE-LCH	lch(21.05, 58.30, 298.42°)
OKLab	oklab(33.04% -0.0051 -0.1485)
OKLCH	oklch(33.04% 0.149 268)
XYZ	xyz(5.0071, 3.2577, 20.7828)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172880 #806F17

analogous

#175C80 #172880 #3B1780

triadic

#172880 #801728 #288017

tetradic

#172880 #80175C #806F17 #17803B

square

#172880 #80175C #806F17 #17803B

split-complementary

#172880 #803B17 #5C8017

monochromatic

#05081A #0E184C #172880 #2038B4 #3651DB

Accessibility & contrast

On white

12.71

#172880 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#172880 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172880

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172880	#FFFFFF	#000000	##FFFFFF
##172880	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003883

Deuteranopia (green-blind)

#002E7E

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172880;
/* rgb */ color: rgb(23, 40, 128);
/* oklch */ color: oklch(33.0% 0.149 268.0);

Tailwind

colors: {
  custom: {
    50: '#6862a6',
    500: '#172880',
    950: '#000000',
  },
}

SCSS

$custom: #172880;
$custom-light: #6862a6;
$custom-dark: #000000;

JSON

{
  "hex": "#172880",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 128
  },
  "hsl": {
    "h": 230.286,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33038,
    "c": 0.14857,
    "h": 268
  },
  "luminance": 0.03258
}

Semantic roles & 50–950 ramp

primary

#172880

secondary

#B4A13E

accent

#D03BEC

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #172880

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

Preview Lab → · Contrast checker → · Palette generator →