#172A49#172A49

#172A49 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.6% C 0.062 H 259.7°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#172A49
RGB	rgb(23, 42, 73)
HSL	hsl(217, 52%, 19%)
HSV	hsv(217, 68%, 29%)
CMYK	cmyk(68.5%, 42.5%, 0%, 71.4%)
CIE-LAB	lab(17.08, 3.77, -21.63)
CIE-LCH	lch(17.08, 21.95, 279.89°)
OKLab	oklab(28.63% -0.0111 -0.0614)
OKLCH	oklch(28.63% 0.062 259.7)
XYZ	xyz(2.3835, 2.3189, 6.6240)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172A49 #493617

analogous

#174349 #172A49 #1D1749

triadic

#172A49 #49172A #2A4917

tetradic

#172A49 #491743 #493617 #17491D

square

#172A49 #491743 #493617 #17491D

split-complementary

#172A49 #491D17 #434917

monochromatic

#070D17 #080F1A #172A49 #264578 #3460A6

Accessibility & contrast

On white

14.35

#172A49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#172A49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172A49

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172A49	#FFFFFF	#000000	##FFFFFF
##172A49	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2D4A

Deuteranopia (green-blind)

#162848

Tritanopia (blue-blind)

#003136

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #172a49;
/* rgb */ color: rgb(23, 42, 73);
/* oklch */ color: oklch(28.6% 0.062 259.7);

Tailwind

colors: {
  custom: {
    50: '#5a637c',
    500: '#172a49',
    950: '#000000',
  },
}

SCSS

$custom: #172a49;
$custom-light: #5a637c;
$custom-dark: #000000;

JSON

{
  "hex": "#172a49",
  "rgb": {
    "r": 23,
    "g": 42,
    "b": 73
  },
  "hsl": {
    "h": 217.2,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28626,
    "c": 0.06241,
    "h": 259.7
  },
  "luminance": 0.02319
}

Semantic roles & 50–950 ramp

primary

#172A49

secondary

#80663C

accent

#A54CDC

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#040509

muted

#79797B

Preview Lab

Preview with #172A49

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

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