#173470#173470

#173470 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.110 H 262.6°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#173470
RGB	rgb(23, 52, 112)
HSL	hsl(220, 66%, 26%)
HSV	hsv(220, 79%, 44%)
CMYK	cmyk(79.5%, 53.6%, 0%, 56.1%)
CIE-LAB	lab(23.02, 12.74, -37.87)
CIE-LCH	lch(23.02, 39.95, 288.59°)
OKLab	oklab(34.08% -0.0141 -0.1089)
OKLCH	oklch(34.08% 0.11 262.6)
XYZ	xyz(4.5049, 3.8075, 15.8236)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173470 #705317

analogous

#176170 #173470 #261770

triadic

#173470 #701734 #347017

tetradic

#173470 #701761 #705317 #177026

square

#173470 #701761 #705317 #177026

split-complementary

#173470 #702617 #617017

monochromatic

#050C19 #0D1C3D #173470 #214CA3 #2D64D4

Accessibility & contrast

On white

11.92

#173470 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#173470 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173470

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173470	#FFFFFF	#000000	##FFFFFF
##173470	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3B72

Deuteranopia (green-blind)

#00336F

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173470;
/* rgb */ color: rgb(23, 52, 112);
/* oklch */ color: oklch(34.1% 0.110 262.6);

Tailwind

colors: {
  custom: {
    50: '#636a99',
    500: '#173470',
    950: '#000000',
  },
}

SCSS

$custom: #173470;
$custom-light: #636a99;
$custom-dark: #000000;

JSON

{
  "hex": "#173470",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 112
  },
  "hsl": {
    "h": 220.449,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34079,
    "c": 0.10985,
    "h": 262.6
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#173470

secondary

#A6843D

accent

#B13FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173470

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

Preview Lab → · Contrast checker → · Palette generator →