#172D61#172D61

#172D61 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.097 H 264.3°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#172D61
RGB	rgb(23, 45, 97)
HSL	hsl(222, 62%, 24%)
HSV	hsv(222, 76%, 38%)
CMYK	cmyk(76.3%, 53.6%, 0%, 62%)
CIE-LAB	lab(19.73, 11.53, -33.46)
CIE-LCH	lch(19.73, 35.39, 289.02°)
OKLab	oklab(31.2% -0.0096 -0.0961)
OKLCH	oklch(31.2% 0.097 264.3)
XYZ	xyz(3.4486, 2.9216, 11.6891)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D61 #614B17

analogous

#175261 #172D61 #261761

triadic

#172D61 #61172D #2D6117

tetradic

#172D61 #611752 #614B17 #176126

square

#172D61 #611752 #614B17 #176126

split-complementary

#172D61 #612617 #526117

monochromatic

#060B19 #0B1630 #172D61 #234492 #2E5BC4

Accessibility & contrast

On white

13.25

#172D61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#172D61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D61

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D61	#FFFFFF	#000000	##FFFFFF
##172D61	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3363

Deuteranopia (green-blind)

#002D60

Tritanopia (blue-blind)

#003942

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172d61;
/* rgb */ color: rgb(23, 45, 97);
/* oklch */ color: oklch(31.2% 0.097 264.3);

Tailwind

colors: {
  custom: {
    50: '#5f658e',
    500: '#172d61',
    950: '#000000',
  },
}

SCSS

$custom: #172d61;
$custom-light: #5f658e;
$custom-dark: #000000;

JSON

{
  "hex": "#172d61",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 97
  },
  "hsl": {
    "h": 222.162,
    "s": 61.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.31202,
    "c": 0.09658,
    "h": 264.3
  },
  "luminance": 0.02922
}

Semantic roles & 50–950 ramp

primary

#172D61

secondary

#987C3C

accent

#B543E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #172D61

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

Preview Lab → · Contrast checker → · Palette generator →