#172177#172177

#172177 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.8% C 0.145 H 269.8°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#172177
RGB	rgb(23, 33, 119)
HSL	hsl(234, 68%, 28%)
HSV	hsv(234, 81%, 47%)
CMYK	cmyk(80.7%, 72.3%, 0%, 53.3%)
CIE-LAB	lab(18.37, 28.98, -49.95)
CIE-LCH	lch(18.37, 57.75, 300.12°)
OKLab	oklab(30.81% -0.0006 -0.1446)
OKLCH	oklch(30.81% 0.145 269.8)
XYZ	xyz(4.2258, 2.6013, 17.7286)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172177 #776D17

analogous

#175177 #172177 #3D1777

triadic

#172177 #771721 #217717

tetradic

#172177 #771751 #776D17 #17773D

square

#172177 #771751 #776D17 #17773D

split-complementary

#172177 #773D17 #517717

monochromatic

#05071A #0D1344 #172177 #212FAA #3142D7

Accessibility & contrast

On white

13.81

#172177 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172177 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172177

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172177	#FFFFFF	#000000	##FFFFFF
##172177	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002875

Tritanopia (blue-blind)

#003949

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172177;
/* rgb */ color: rgb(23, 33, 119);
/* oklch */ color: oklch(30.8% 0.145 269.8);

Tailwind

colors: {
  custom: {
    50: '#665c9f',
    500: '#172177',
    950: '#000000',
  },
}

SCSS

$custom: #172177;
$custom-light: #665c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#172177",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 119
  },
  "hsl": {
    "h": 233.75,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30812,
    "c": 0.14463,
    "h": 269.8
  },
  "luminance": 0.02602
}

Semantic roles & 50–950 ramp

primary

#172177

secondary

#ACA13E

accent

#D83DEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #172177

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

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