#173B67#173B67

#173B67 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.1% C 0.087 H 255.1°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#173B67
RGB	rgb(23, 59, 103)
HSL	hsl(213, 63%, 25%)
HSV	hsv(213, 78%, 40%)
CMYK	cmyk(77.7%, 42.7%, 0%, 59.6%)
CIE-LAB	lab(24.60, 4.03, -29.54)
CIE-LCH	lch(24.60, 29.82, 277.77°)
OKLab	oklab(35.1% -0.0224 -0.0843)
OKLCH	oklch(35.1% 0.087 255.1)
XYZ	xyz(4.3646, 4.2889, 13.4271)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B67 #674317

analogous

#176367 #173B67 #1B1767

triadic

#173B67 #67173B #3B6717

tetradic

#173B67 #671763 #674317 #17671B

square

#173B67 #671763 #674317 #17671B

split-complementary

#173B67 #671B17 #636717

monochromatic

#060E19 #0C1E35 #173B67 #225899 #2D74CB

Accessibility & contrast

On white

11.30

#173B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#173B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B67

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B67	#FFFFFF	#000000	##FFFFFF
##173B67	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263E69

Deuteranopia (green-blind)

#193766

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173b67;
/* rgb */ color: rgb(23, 59, 103);
/* oklch */ color: oklch(35.1% 0.087 255.1);

Tailwind

colors: {
  custom: {
    50: '#607093',
    500: '#173b67',
    950: '#000000',
  },
}

SCSS

$custom: #173b67;
$custom-light: #607093;
$custom-dark: #000000;

JSON

{
  "hex": "#173b67",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 103
  },
  "hsl": {
    "h": 213,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35095,
    "c": 0.08726,
    "h": 255.1
  },
  "luminance": 0.04289
}

Semantic roles & 50–950 ramp

primary

#173B67

secondary

#9D723D

accent

#9C41E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #173B67

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

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