#173C67#173C67

#173C67 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.3% C 0.086 H 254.2°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#173C67
RGB	rgb(23, 60, 103)
HSL	hsl(212, 63%, 25%)
HSV	hsv(212, 78%, 40%)
CMYK	cmyk(77.7%, 41.7%, 0%, 59.6%)
CIE-LAB	lab(24.93, 3.34, -29.02)
CIE-LCH	lch(24.93, 29.21, 276.56°)
OKLab	oklab(35.35% -0.0235 -0.0828)
OKLCH	oklch(35.35% 0.086 254.2)
XYZ	xyz(4.4165, 4.3927, 13.4444)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C67 #674217

analogous

#176467 #173C67 #1A1767

triadic

#173C67 #67173C #3C6717

tetradic

#173C67 #671764 #674217 #17671A

square

#173C67 #671764 #674217 #17671A

split-complementary

#173C67 #671A17 #646717

monochromatic

#060F19 #0C1F35 #173C67 #225999 #2D76CB

Accessibility & contrast

On white

11.18

#173C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#173C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C67

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C67	#FFFFFF	#000000	##FFFFFF
##173C67	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283F69

Deuteranopia (green-blind)

#1B3866

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173c67;
/* rgb */ color: rgb(23, 60, 103);
/* oklch */ color: oklch(35.3% 0.086 254.2);

Tailwind

colors: {
  custom: {
    50: '#607192',
    500: '#173c67',
    950: '#000000',
  },
}

SCSS

$custom: #173c67;
$custom-light: #607192;
$custom-dark: #000000;

JSON

{
  "hex": "#173c67",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 103
  },
  "hsl": {
    "h": 212.25,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35348,
    "c": 0.08605,
    "h": 254.2
  },
  "luminance": 0.04393
}

Semantic roles & 50–950 ramp

primary

#173C67

secondary

#9D713D

accent

#9A41E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #173C67

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

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