#173170#173170

#173170 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.114 H 264.2°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#173170
RGB	rgb(23, 49, 112)
HSL	hsl(222, 66%, 26%)
HSV	hsv(222, 79%, 44%)
CMYK	cmyk(79.5%, 56.3%, 0%, 56.1%)
CIE-LAB	lab(22.12, 14.90, -39.34)
CIE-LCH	lch(22.12, 42.06, 290.74°)
OKLab	oklab(33.39% -0.0115 -0.1133)
OKLCH	oklch(33.39% 0.114 264.2)
XYZ	xyz(4.3753, 3.5481, 15.7804)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173170 #705617

analogous

#175E70 #173170 #2A1770

triadic

#173170 #701731 #317017

tetradic

#173170 #70175E #705617 #17702A

square

#173170 #70175E #705617 #17702A

split-complementary

#173170 #702A17 #5E7017

monochromatic

#050B19 #0D1B3D #173170 #2147A3 #2D5ED4

Accessibility & contrast

On white

12.28

#173170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#173170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173170

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173170	#FFFFFF	#000000	##FFFFFF
##173170	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013972

Deuteranopia (green-blind)

#00316F

Tritanopia (blue-blind)

#00404B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173170;
/* rgb */ color: rgb(23, 49, 112);
/* oklch */ color: oklch(33.4% 0.114 264.2);

Tailwind

colors: {
  custom: {
    50: '#63689a',
    500: '#173170',
    950: '#000000',
  },
}

SCSS

$custom: #173170;
$custom-light: #63689a;
$custom-dark: #000000;

JSON

{
  "hex": "#173170",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 112
  },
  "hsl": {
    "h": 222.472,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3339,
    "c": 0.11391,
    "h": 264.2
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#173170

secondary

#A6873D

accent

#B73FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173170

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

Preview Lab → · Contrast checker → · Palette generator →