#172576#172576

#172576 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.138 H 268.9°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#172576
RGB	rgb(23, 37, 118)
HSL	hsl(231, 67%, 28%)
HSV	hsv(231, 81%, 46%)
CMYK	cmyk(80.5%, 68.6%, 0%, 53.7%)
CIE-LAB	lab(19.28, 25.88, -47.82)
CIE-LCH	lch(19.28, 54.37, 298.42°)
OKLab	oklab(31.44% -0.0027 -0.1384)
OKLCH	oklch(31.44% 0.138 268.9)
XYZ	xyz(4.2838, 2.8128, 17.4532)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172576 #766817

analogous

#175476 #172576 #391776

triadic

#172576 #761725 #257617

tetradic

#172576 #761754 #766817 #177639

square

#172576 #761754 #766817 #177639

split-complementary

#172576 #763917 #547617

monochromatic

#05081A #0D1543 #172576 #2135A9 #3149D7

Accessibility & contrast

On white

13.44

#172576 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#172576 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172576

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172576	#FFFFFF	#000000	##FFFFFF
##172576	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003379

Deuteranopia (green-blind)

#002A74

Tritanopia (blue-blind)

#003B4A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172576;
/* rgb */ color: rgb(23, 37, 118);
/* oklch */ color: oklch(31.4% 0.138 268.9);

Tailwind

colors: {
  custom: {
    50: '#665f9e',
    500: '#172576',
    950: '#000000',
  },
}

SCSS

$custom: #172576;
$custom-light: #665f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#172576",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 118
  },
  "hsl": {
    "h": 231.158,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31441,
    "c": 0.13842,
    "h": 268.9
  },
  "luminance": 0.02813
}

Semantic roles & 50–950 ramp

primary

#172576

secondary

#AB9B3E

accent

#D13EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #172576

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

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