#173D6E#173D6E

#173D6E is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.1% C 0.095 H 256.2°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#173D6E
RGB	rgb(23, 61, 110)
HSL	hsl(214, 65%, 26%)
HSV	hsv(214, 79%, 43%)
CMYK	cmyk(79.1%, 44.5%, 0%, 56.9%)
CIE-LAB	lab(25.70, 5.54, -32.29)
CIE-LCH	lch(25.70, 32.76, 279.73°)
OKLab	oklab(36.09% -0.0227 -0.0924)
OKLCH	oklch(36.09% 0.095 256.2)
XYZ	xyz(4.8355, 4.6449, 15.3905)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D6E #6E4817

analogous

#17686E #173D6E #1C176E

triadic

#173D6E #6E173D #3D6E17

tetradic

#173D6E #6E1768 #6E4817 #176E1C

square

#173D6E #6E1768 #6E4817 #176E1C

split-complementary

#173D6E #6E1C17 #686E17

monochromatic

#050E19 #0C213B #173D6E #2259A1 #2C75D3

Accessibility & contrast

On white

10.89

#173D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#173D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D6E

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D6E	#FFFFFF	#000000	##FFFFFF
##173D6E	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254170

Deuteranopia (green-blind)

#16396D

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #173d6e;
/* rgb */ color: rgb(23, 61, 110);
/* oklch */ color: oklch(36.1% 0.095 256.2);

Tailwind

colors: {
  custom: {
    50: '#627298',
    500: '#173d6e',
    950: '#000000',
  },
}

SCSS

$custom: #173d6e;
$custom-light: #627298;
$custom-dark: #000000;

JSON

{
  "hex": "#173d6e",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 110
  },
  "hsl": {
    "h": 213.793,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36091,
    "c": 0.09512,
    "h": 256.2
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#173D6E

secondary

#A4773D

accent

#9F3FE8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #173D6E

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

Preview Lab → · Contrast checker → · Palette generator →