#173E69#173E69

#173E69 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.087 H 253.2°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#173E69
RGB	rgb(23, 62, 105)
HSL	hsl(211, 64%, 25%)
HSV	hsv(211, 78%, 41%)
CMYK	cmyk(78.1%, 41%, 0%, 58.8%)
CIE-LAB	lab(25.70, 2.78, -29.08)
CIE-LCH	lch(25.70, 29.21, 275.46°)
OKLab	oklab(35.99% -0.025 -0.0829)
OKLCH	oklch(35.99% 0.087 253.2)
XYZ	xyz(4.6248, 4.6468, 14.0150)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E69 #694217

analogous

#176769 #173E69 #191769

triadic

#173E69 #69173E #3E6917

tetradic

#173E69 #691767 #694217 #176919

square

#173E69 #691767 #694217 #176919

split-complementary

#173E69 #691917 #676917

monochromatic

#050F19 #0C2037 #173E69 #225C9B #2D79CD

Accessibility & contrast

On white

10.88

#173E69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#173E69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E69

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E69	#FFFFFF	#000000	##FFFFFF
##173E69	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A416B

Deuteranopia (green-blind)

#1D3968

Tritanopia (blue-blind)

#00484E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #173e69;
/* rgb */ color: rgb(23, 62, 105);
/* oklch */ color: oklch(36.0% 0.087 253.2);

Tailwind

colors: {
  custom: {
    50: '#617294',
    500: '#173e69',
    950: '#000000',
  },
}

SCSS

$custom: #173e69;
$custom-light: #617294;
$custom-dark: #000000;

JSON

{
  "hex": "#173e69",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 105
  },
  "hsl": {
    "h": 211.463,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35992,
    "c": 0.08659,
    "h": 253.2
  },
  "luminance": 0.04647
}

Semantic roles & 50–950 ramp

primary

#173E69

secondary

#9F703D

accent

#9841E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #173E69

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

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