#172277#172277

#172277 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.143 H 269.6°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#172277
RGB	rgb(23, 34, 119)
HSL	hsl(233, 68%, 28%)
HSV	hsv(233, 81%, 47%)
CMYK	cmyk(80.7%, 71.4%, 0%, 53.3%)
CIE-LAB	lab(18.62, 28.31, -49.55)
CIE-LCH	lch(18.62, 57.07, 299.75°)
OKLab	oklab(30.99% -0.0011 -0.1434)
OKLCH	oklch(30.99% 0.143 269.6)
XYZ	xyz(4.2540, 2.6576, 17.7380)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172277 #776C17

analogous

#175277 #172277 #3C1777

triadic

#172277 #771722 #227717

tetradic

#172277 #771752 #776C17 #17773C

square

#172277 #771752 #776C17 #17773C

split-complementary

#172277 #773C17 #527717

monochromatic

#05071A #0D1344 #172277 #2131AA #3144D7

Accessibility & contrast

On white

13.71

#172277 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#172277 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172277

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172277	#FFFFFF	#000000	##FFFFFF
##172277	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327A

Deuteranopia (green-blind)

#002975

Tritanopia (blue-blind)

#003949

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172277;
/* rgb */ color: rgb(23, 34, 119);
/* oklch */ color: oklch(31.0% 0.143 269.6);

Tailwind

colors: {
  custom: {
    50: '#665d9f',
    500: '#172277',
    950: '#000000',
  },
}

SCSS

$custom: #172277;
$custom-light: #665d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#172277",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 119
  },
  "hsl": {
    "h": 233.125,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3099,
    "c": 0.14345,
    "h": 269.6
  },
  "luminance": 0.02658
}

Semantic roles & 50–950 ramp

primary

#172277

secondary

#ACA03E

accent

#D73DEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #172277

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

Preview Lab → · Contrast checker → · Palette generator →