#172E9E#172E9E

#172E9E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.181 H 266.8°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#172E9E
RGB	rgb(23, 46, 158)
HSL	hsl(230, 75%, 35%)
HSV	hsv(230, 85%, 62%)
CMYK	cmyk(85.4%, 70.9%, 0%, 38%)
CIE-LAB	lab(25.57, 35.25, -62.44)
CIE-LCH	lch(25.57, 71.70, 299.45°)
OKLab	oklab(37.25% -0.01 -0.181)
OKLCH	oklch(37.25% 0.181 266.8)
XYZ	xyz(7.4997, 4.6038, 32.8345)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E9E #9E8717

analogous

#17719E #172E9E #44179E

triadic

#172E9E #9E172E #2E9E17

tetradic

#172E9E #9E1771 #9E8717 #179E44

square

#172E9E #9E1771 #9E8717 #179E44

split-complementary

#172E9E #9E4417 #719E17

monochromatic

#070F33 #0F1E69 #172E9E #1F3ED3 #4B65E5

Accessibility & contrast

On white

10.93

#172E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#172E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E9E

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E9E	#FFFFFF	#000000	##FFFFFF
##172E9E	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00369C

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #172e9e;
/* rgb */ color: rgb(23, 46, 158);
/* oklch */ color: oklch(37.3% 0.181 266.8);

Tailwind

colors: {
  custom: {
    50: '#7067bc',
    500: '#172e9e',
    950: '#000000',
  },
}

SCSS

$custom: #172e9e;
$custom-light: #7067bc;
$custom-dark: #000000;

JSON

{
  "hex": "#172e9e",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 158
  },
  "hsl": {
    "h": 229.778,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37254,
    "c": 0.18127,
    "h": 266.8
  },
  "luminance": 0.04605
}

Semantic roles & 50–950 ramp

primary

#172E9E

secondary

#C6B14A

accent

#D137F1

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #172E9E

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

Preview Lab → · Contrast checker → · Palette generator →