#172980#172980

#172980 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.147 H 267.8°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#172980
RGB	rgb(23, 41, 128)
HSL	hsl(230, 70%, 30%)
HSV	hsv(230, 82%, 50%)
CMYK	cmyk(82%, 68%, 0%, 49.8%)
CIE-LAB	lab(21.30, 27.06, -50.86)
CIE-LCH	lch(21.30, 57.61, 298.02°)
OKLab	oklab(33.23% -0.0056 -0.1472)
OKLCH	oklch(33.23% 0.147 267.8)
XYZ	xyz(5.0412, 3.3260, 20.7942)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172980 #806E17

analogous

#175E80 #172980 #391780

triadic

#172980 #801729 #298017

tetradic

#172980 #80175E #806E17 #178039

square

#172980 #80175E #806E17 #178039

split-complementary

#172980 #803917 #5E8017

monochromatic

#05081A #0E184C #172980 #203AB4 #3653DB

Accessibility & contrast

On white

12.61

#172980 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#172980 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172980

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172980	#FFFFFF	#000000	##FFFFFF
##172980	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	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: #172980;
/* rgb */ color: rgb(23, 41, 128);
/* oklch */ color: oklch(33.2% 0.147 267.8);

Tailwind

colors: {
  custom: {
    50: '#6862a6',
    500: '#172980',
    950: '#000000',
  },
}

SCSS

$custom: #172980;
$custom-light: #6862a6;
$custom-dark: #000000;

JSON

{
  "hex": "#172980",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 128
  },
  "hsl": {
    "h": 229.714,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33226,
    "c": 0.14735,
    "h": 267.8
  },
  "luminance": 0.03327
}

Semantic roles & 50–950 ramp

primary

#172980

secondary

#B4A03E

accent

#CE3BEC

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #172980

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

Preview Lab → · Contrast checker → · Palette generator →