#172680#172680

#172680 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.7% C 0.151 H 268.5°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#172680
RGB	rgb(23, 38, 128)
HSL	hsl(231, 70%, 30%)
HSV	hsv(231, 82%, 50%)
CMYK	cmyk(82%, 70.3%, 0%, 49.8%)
CIE-LAB	lab(20.54, 29.10, -52.11)
CIE-LCH	lch(20.54, 59.68, 299.18°)
OKLab	oklab(32.67% -0.004 -0.1509)
OKLCH	oklch(32.67% 0.151 268.5)
XYZ	xyz(4.9414, 3.1263, 20.7609)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172680 #807117

analogous

#175A80 #172680 #3D1780

triadic

#172680 #801726 #268017

tetradic

#172680 #80175A #807117 #17803D

square

#172680 #80175A #807117 #17803D

split-complementary

#172680 #803D17 #5A8017

monochromatic

#05081A #0E174C #172680 #2035B4 #364EDB

Accessibility & contrast

On white

12.92

#172680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#172680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172680

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172680	#FFFFFF	#000000	##FFFFFF
##172680	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003783

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172680;
/* rgb */ color: rgb(23, 38, 128);
/* oklch */ color: oklch(32.7% 0.151 268.5);

Tailwind

colors: {
  custom: {
    50: '#6860a6',
    500: '#172680',
    950: '#000000',
  },
}

SCSS

$custom: #172680;
$custom-light: #6860a6;
$custom-dark: #000000;

JSON

{
  "hex": "#172680",
  "rgb": {
    "r": 23,
    "g": 38,
    "b": 128
  },
  "hsl": {
    "h": 231.429,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3267,
    "c": 0.15096,
    "h": 268.5
  },
  "luminance": 0.03127
}

Semantic roles & 50–950 ramp

primary

#172680

secondary

#B4A43E

accent

#D33BEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #172680

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

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