#172563#172563

#172563 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.6% C 0.111 H 268.9°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#172563
RGB	rgb(23, 37, 99)
HSL	hsl(229, 62%, 24%)
HSV	hsv(229, 77%, 39%)
CMYK	cmyk(76.8%, 62.6%, 0%, 61.2%)
CIE-LAB	lab(17.49, 18.22, -38.40)
CIE-LCH	lch(17.49, 42.51, 295.38°)
OKLab	oklab(29.57% -0.0022 -0.1108)
OKLCH	oklch(29.57% 0.111 268.9)
XYZ	xyz(3.2663, 2.4058, 12.0942)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172563 #635517

analogous

#174B63 #172563 #2F1763

triadic

#172563 #631725 #256317

tetradic

#172563 #63174B #635517 #17632F

square

#172563 #63174B #635517 #17632F

split-complementary

#172563 #632F17 #4B6317

monochromatic

#060919 #0B1231 #172563 #233895 #2E4AC6

Accessibility & contrast

On white

14.18

#172563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172563

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172563	#FFFFFF	#000000	##FFFFFF
##172563	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F65

Deuteranopia (green-blind)

#002862

Tritanopia (blue-blind)

#003440

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172563;
/* rgb */ color: rgb(23, 37, 99);
/* oklch */ color: oklch(29.6% 0.111 268.9);

Tailwind

colors: {
  custom: {
    50: '#605f90',
    500: '#172563',
    950: '#000000',
  },
}

SCSS

$custom: #172563;
$custom-light: #605f90;
$custom-dark: #000000;

JSON

{
  "hex": "#172563",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 99
  },
  "hsl": {
    "h": 228.947,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.29566,
    "c": 0.11081,
    "h": 268.9
  },
  "luminance": 0.02406
}

Semantic roles & 50–950 ramp

primary

#172563

secondary

#9A883C

accent

#C742E5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #172563

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

Preview Lab → · Contrast checker → · Palette generator →