#172278#172278

#172278 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.1% C 0.145 H 269.5°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#172278
RGB	rgb(23, 34, 120)
HSL	hsl(233, 68%, 28%)
HSV	hsv(233, 81%, 47%)
CMYK	cmyk(80.8%, 71.7%, 0%, 52.9%)
CIE-LAB	lab(18.72, 28.70, -50.01)
CIE-LCH	lch(18.72, 57.66, 299.85°)
OKLab	oklab(31.1% -0.0012 -0.1448)
OKLCH	oklch(31.1% 0.145 269.5)
XYZ	xyz(4.3144, 2.6818, 18.0559)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172278 #786D17

analogous

#175278 #172278 #3C1778

triadic

#172278 #781722 #227817

tetradic

#172278 #781752 #786D17 #17783C

square

#172278 #781752 #786D17 #17783C

split-complementary

#172278 #783C17 #527817

monochromatic

#05071A #0D1345 #172278 #2131AB #3245D8

Accessibility & contrast

On white

13.67

#172278 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#172278 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172278

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172278	#FFFFFF	#000000	##FFFFFF
##172278	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002976

Tritanopia (blue-blind)

#003A4A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172278;
/* rgb */ color: rgb(23, 34, 120);
/* oklch */ color: oklch(31.1% 0.145 269.5);

Tailwind

colors: {
  custom: {
    50: '#665da0',
    500: '#172278',
    950: '#000000',
  },
}

SCSS

$custom: #172278;
$custom-light: #665da0;
$custom-dark: #000000;

JSON

{
  "hex": "#172278",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 120
  },
  "hsl": {
    "h": 233.196,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31097,
    "c": 0.14482,
    "h": 269.5
  },
  "luminance": 0.02682
}

Semantic roles & 50–950 ramp

primary

#172278

secondary

#ADA13E

accent

#D73DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #172278

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

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