#173D69#173D69

#173D69 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.088 H 254.2°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#173D69
RGB	rgb(23, 61, 105)
HSL	hsl(212, 64%, 25%)
HSV	hsv(212, 78%, 41%)
CMYK	cmyk(78.1%, 41.9%, 0%, 58.8%)
CIE-LAB	lab(25.38, 3.47, -29.59)
CIE-LCH	lch(25.38, 29.80, 276.68°)
OKLab	oklab(35.74% -0.024 -0.0844)
OKLCH	oklch(35.74% 0.088 254.2)
XYZ	xyz(4.5709, 4.5391, 13.9971)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D69 #694317

analogous

#176669 #173D69 #1A1769

triadic

#173D69 #69173D #3D6917

tetradic

#173D69 #691766 #694317 #17691A

square

#173D69 #691766 #694317 #17691A

split-complementary

#173D69 #691A17 #666917

monochromatic

#050F19 #0C2037 #173D69 #225A9B #2D77CD

Accessibility & contrast

On white

11.01

#173D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#173D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D69

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D69	#FFFFFF	#000000	##FFFFFF
##173D69	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28406B

Deuteranopia (green-blind)

#1B3968

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173d69;
/* rgb */ color: rgb(23, 61, 105);
/* oklch */ color: oklch(35.7% 0.088 254.2);

Tailwind

colors: {
  custom: {
    50: '#617294',
    500: '#173d69',
    950: '#000000',
  },
}

SCSS

$custom: #173d69;
$custom-light: #617294;
$custom-dark: #000000;

JSON

{
  "hex": "#173d69",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 105
  },
  "hsl": {
    "h": 212.195,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35739,
    "c": 0.08779,
    "h": 254.2
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#173D69

secondary

#9F723D

accent

#9A41E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #173D69

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

Preview Lab → · Contrast checker → · Palette generator →