#173073#173073

#173073 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.120 H 265.0°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#173073
RGB	rgb(23, 48, 115)
HSL	hsl(224, 67%, 27%)
HSV	hsv(224, 80%, 45%)
CMYK	cmyk(80%, 58.3%, 0%, 54.9%)
CIE-LAB	lab(22.06, 16.86, -41.34)
CIE-LCH	lch(22.06, 44.65, 292.18°)
OKLab	oklab(33.43% -0.0104 -0.1193)
OKLCH	oklch(33.43% 0.12 265)
XYZ	xyz(4.5037, 3.5334, 16.6610)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173073 #735A17

analogous

#175E73 #173073 #2C1773

triadic

#173073 #731730 #307317

tetradic

#173073 #73175E #735A17 #17732C

square

#173073 #73175E #735A17 #17732C

split-complementary

#173073 #732C17 #5E7317

monochromatic

#050B1A #0D1B40 #173073 #2145A6 #2F5CD5

Accessibility & contrast

On white

12.30

#173073 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#173073 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173073

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173073	#FFFFFF	#000000	##FFFFFF
##173073	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173073;
/* rgb */ color: rgb(23, 48, 115);
/* oklch */ color: oklch(33.4% 0.120 265.0);

Tailwind

colors: {
  custom: {
    50: '#64679c',
    500: '#173073',
    950: '#000000',
  },
}

SCSS

$custom: #173073;
$custom-light: #64679c;
$custom-dark: #000000;

JSON

{
  "hex": "#173073",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 115
  },
  "hsl": {
    "h": 223.696,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33427,
    "c": 0.11972,
    "h": 265
  },
  "luminance": 0.03534
}

Semantic roles & 50–950 ramp

primary

#173073

secondary

#A98B3D

accent

#BB3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173073

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

Preview Lab → · Contrast checker → · Palette generator →