#172A69#172A69

#172A69 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.113 H 266.9°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#172A69
RGB	rgb(23, 42, 105)
HSL	hsl(226, 64%, 25%)
HSV	hsv(226, 78%, 41%)
CMYK	cmyk(78.1%, 60%, 0%, 58.8%)
CIE-LAB	lab(19.46, 17.05, -39.11)
CIE-LCH	lch(19.46, 42.67, 293.56°)
OKLab	oklab(31.21% -0.0062 -0.1128)
OKLCH	oklch(31.21% 0.113 266.9)
XYZ	xyz(3.7302, 2.8576, 13.7168)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172A69 #695617

analogous

#175369 #172A69 #2D1769

triadic

#172A69 #69172A #2A6917

tetradic

#172A69 #691753 #695617 #17692D

square

#172A69 #691753 #695617 #17692D

split-complementary

#172A69 #692D17 #536917

monochromatic

#050A19 #0C1637 #172A69 #223E9B #2D52CD

Accessibility & contrast

On white

13.36

#172A69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#172A69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172A69

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172A69	#FFFFFF	#000000	##FFFFFF
##172A69	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336B

Deuteranopia (green-blind)

#002B68

Tritanopia (blue-blind)

#003A45

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172a69;
/* rgb */ color: rgb(23, 42, 105);
/* oklch */ color: oklch(31.2% 0.113 266.9);

Tailwind

colors: {
  custom: {
    50: '#626394',
    500: '#172a69',
    950: '#000000',
  },
}

SCSS

$custom: #172a69;
$custom-light: #626394;
$custom-dark: #000000;

JSON

{
  "hex": "#172a69",
  "rgb": {
    "r": 23,
    "g": 42,
    "b": 105
  },
  "hsl": {
    "h": 226.098,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.31208,
    "c": 0.11298,
    "h": 266.9
  },
  "luminance": 0.02858
}

Semantic roles & 50–950 ramp

primary

#172A69

secondary

#9F883D

accent

#C141E7

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #172A69

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

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