#172574#172574

#172574 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.2% C 0.136 H 268.9°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#172574
RGB	rgb(23, 37, 116)
HSL	hsl(231, 67%, 27%)
HSV	hsv(231, 80%, 45%)
CMYK	cmyk(80.2%, 68.1%, 0%, 54.5%)
CIE-LAB	lab(19.08, 25.09, -46.86)
CIE-LCH	lch(19.08, 53.15, 298.16°)
OKLab	oklab(31.24% -0.0026 -0.1356)
OKLCH	oklch(31.24% 0.136 268.9)
XYZ	xyz(4.1662, 2.7658, 16.8339)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172574 #746617

analogous

#175374 #172574 #381774

triadic

#172574 #741725 #257417

tetradic

#172574 #741753 #746617 #177438

square

#172574 #741753 #746617 #177438

split-complementary

#172574 #743817 #537417

monochromatic

#05081A #0D1541 #172574 #2135A7 #3049D6

Accessibility & contrast

On white

13.52

#172574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#172574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172574

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172574	#FFFFFF	#000000	##FFFFFF
##172574	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003376

Deuteranopia (green-blind)

#002A73

Tritanopia (blue-blind)

#003A49

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172574;
/* rgb */ color: rgb(23, 37, 116);
/* oklch */ color: oklch(31.2% 0.136 268.9);

Tailwind

colors: {
  custom: {
    50: '#655f9d',
    500: '#172574',
    950: '#000000',
  },
}

SCSS

$custom: #172574;
$custom-light: #655f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#172574",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 116
  },
  "hsl": {
    "h": 230.968,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31235,
    "c": 0.13561,
    "h": 268.9
  },
  "luminance": 0.02766
}

Semantic roles & 50–950 ramp

primary

#172574

secondary

#A9993D

accent

#D03EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #172574

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

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