#172C94#172C94

#172C94 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.171 H 267.2°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#172C94
RGB	rgb(23, 44, 148)
HSL	hsl(230, 73%, 34%)
HSV	hsv(230, 84%, 58%)
CMYK	cmyk(84.5%, 70.3%, 0%, 42%)
CIE-LAB	lab(24.07, 32.78, -58.79)
CIE-LCH	lch(24.07, 67.32, 299.15°)
OKLab	oklab(35.85% -0.0084 -0.1704)
OKLCH	oklch(35.85% 0.171 267.2)
XYZ	xyz(6.5975, 4.1208, 28.4589)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C94 #947F17

analogous

#176A94 #172C94 #401794

triadic

#172C94 #94172C #2C9417

tetradic

#172C94 #94176A #947F17 #179440

square

#172C94 #94176A #947F17 #179440

split-complementary

#172C94 #944017 #6A9417

monochromatic

#070D2A #0F1C5F #172C94 #1F3CC9 #445EE2

Accessibility & contrast

On white

11.51

#172C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#172C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C94

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C94	#FFFFFF	#000000	##FFFFFF
##172C94	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F97

Deuteranopia (green-blind)

#003392

Tritanopia (blue-blind)

#00495C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #172c94;
/* rgb */ color: rgb(23, 44, 148);
/* oklch */ color: oklch(35.9% 0.171 267.2);

Tailwind

colors: {
  custom: {
    50: '#6d65b4',
    500: '#172c94',
    950: '#000000',
  },
}

SCSS

$custom: #172c94;
$custom-light: #6d65b4;
$custom-dark: #000000;

JSON

{
  "hex": "#172c94",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 148
  },
  "hsl": {
    "h": 229.92,
    "s": 73.099,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3585,
    "c": 0.1706,
    "h": 267.2
  },
  "luminance": 0.04122
}

Semantic roles & 50–950 ramp

primary

#172C94

secondary

#C3AD44

accent

#D138F0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #172C94

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

Preview Lab → · Contrast checker → · Palette generator →