#173D67#173D67

#173D67 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.085 H 253.2°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#173D67
RGB	rgb(23, 61, 103)
HSL	hsl(212, 63%, 25%)
HSV	hsv(212, 78%, 40%)
CMYK	cmyk(77.7%, 40.8%, 0%, 59.6%)
CIE-LAB	lab(25.26, 2.65, -28.51)
CIE-LCH	lch(25.26, 28.63, 275.31°)
OKLab	oklab(35.6% -0.0245 -0.0812)
OKLCH	oklch(35.6% 0.085 253.2)
XYZ	xyz(4.4694, 4.4984, 13.4621)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D67 #674117

analogous

#176567 #173D67 #191767

triadic

#173D67 #67173D #3D6717

tetradic

#173D67 #671765 #674117 #176719

square

#173D67 #671765 #674117 #176719

split-complementary

#173D67 #671917 #656717

monochromatic

#060F19 #0C1F35 #173D67 #225B99 #2D78CB

Accessibility & contrast

On white

11.05

#173D67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#173D67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D67

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D67	#FFFFFF	#000000	##FFFFFF
##173D67	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294069

Deuteranopia (green-blind)

#1D3866

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173d67;
/* rgb */ color: rgb(23, 61, 103);
/* oklch */ color: oklch(35.6% 0.085 253.2);

Tailwind

colors: {
  custom: {
    50: '#607292',
    500: '#173d67',
    950: '#000000',
  },
}

SCSS

$custom: #173d67;
$custom-light: #607292;
$custom-dark: #000000;

JSON

{
  "hex": "#173d67",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 103
  },
  "hsl": {
    "h": 211.5,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35602,
    "c": 0.08486,
    "h": 253.2
  },
  "luminance": 0.04499
}

Semantic roles & 50–950 ramp

primary

#173D67

secondary

#9D6F3D

accent

#9841E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #173D67

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

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