#172E84#172E84

#172E84 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.147 H 266.6°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#172E84
RGB	rgb(23, 46, 132)
HSL	hsl(227, 70%, 30%)
HSV	hsv(227, 83%, 52%)
CMYK	cmyk(82.6%, 65.2%, 0%, 48.2%)
CIE-LAB	lab(23.00, 25.20, -50.59)
CIE-LCH	lch(23.00, 56.52, 296.48°)
OKLab	oklab(34.59% -0.0086 -0.1464)
OKLCH	oklch(34.59% 0.147 266.6)
XYZ	xyz(5.4937, 3.8014, 22.2695)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E84 #846D17

analogous

#176584 #172E84 #361784

triadic

#172E84 #84172E #2E8417

tetradic

#172E84 #841765 #846D17 #178436

square

#172E84 #841765 #846D17 #178436

split-complementary

#172E84 #843617 #658417

monochromatic

#050A1C #0E1C50 #172E84 #2040B8 #395BDC

Accessibility & contrast

On white

11.93

#172E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#172E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E84

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E84	#FFFFFF	#000000	##FFFFFF
##172E84	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C87

Deuteranopia (green-blind)

#003282

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #172e84;
/* rgb */ color: rgb(23, 46, 132);
/* oklch */ color: oklch(34.6% 0.147 266.6);

Tailwind

colors: {
  custom: {
    50: '#6966a9',
    500: '#172e84',
    950: '#000000',
  },
}

SCSS

$custom: #172e84;
$custom-light: #6966a9;
$custom-dark: #000000;

JSON

{
  "hex": "#172e84",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 132
  },
  "hsl": {
    "h": 227.339,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.34594,
    "c": 0.14667,
    "h": 266.6
  },
  "luminance": 0.03802
}

Semantic roles & 50–950 ramp

primary

#172E84

secondary

#B89F3F

accent

#C73BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #172E84

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

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