#172663#172663

#172663 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.8% C 0.109 H 268.4°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#172663
RGB	rgb(23, 38, 99)
HSL	hsl(228, 62%, 24%)
HSV	hsv(228, 77%, 39%)
CMYK	cmyk(76.8%, 61.6%, 0%, 61.2%)
CIE-LAB	lab(17.78, 17.49, -37.93)
CIE-LCH	lch(17.78, 41.77, 294.75°)
OKLab	oklab(29.78% -0.0031 -0.1094)
OKLCH	oklch(29.78% 0.109 268.4)
XYZ	xyz(3.2978, 2.4689, 12.1047)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172663 #635417

analogous

#174C63 #172663 #2E1763

triadic

#172663 #631726 #266317

tetradic

#172663 #63174C #635417 #17632E

square

#172663 #63174C #635417 #17632E

split-complementary

#172663 #632E17 #4C6317

monochromatic

#060A19 #0B1331 #172663 #233995 #2E4CC6

Accessibility & contrast

On white

14.06

#172663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#172663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172663

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172663	#FFFFFF	#000000	##FFFFFF
##172663	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F65

Deuteranopia (green-blind)

#002862

Tritanopia (blue-blind)

#003540

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172663;
/* rgb */ color: rgb(23, 38, 99);
/* oklch */ color: oklch(29.8% 0.109 268.4);

Tailwind

colors: {
  custom: {
    50: '#606090',
    500: '#172663',
    950: '#000000',
  },
}

SCSS

$custom: #172663;
$custom-light: #606090;
$custom-dark: #000000;

JSON

{
  "hex": "#172663",
  "rgb": {
    "r": 23,
    "g": 38,
    "b": 99
  },
  "hsl": {
    "h": 228.158,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.29782,
    "c": 0.10943,
    "h": 268.4
  },
  "luminance": 0.02469
}

Semantic roles & 50–950 ramp

primary

#172663

secondary

#9A873C

accent

#C542E5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #172663

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

Preview Lab → · Contrast checker → · Palette generator →