#174B7A#174B7A

#174B7A is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.4% C 0.096 H 249.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#174B7A
RGB	rgb(23, 75, 122)
HSL	hsl(208, 68%, 28%)
HSV	hsv(208, 81%, 48%)
CMYK	cmyk(81.1%, 38.5%, 0%, 52.2%)
CIE-LAB	lab(30.92, 0.96, -31.54)
CIE-LCH	lch(30.92, 31.56, 271.74°)
OKLab	oklab(40.41% -0.0332 -0.0899)
OKLCH	oklch(40.41% 0.096 249.7)
XYZ	xyz(6.3809, 6.6187, 19.3498)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B7A #7A4617

analogous

#177A77 #174B7A #17197A

triadic

#174B7A #7A174B #4B7A17

tetradic

#174B7A #77177A #7A4617 #197A17

square

#174B7A #77177A #7A4617 #197A17

split-complementary

#174B7A #7A1719 #7A7717

monochromatic

#05101A #0D2B47 #174B7A #216BAD #338AD9

Accessibility & contrast

On white

9.04

#174B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#174B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B7A

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B7A	#FFFFFF	#000000	##FFFFFF
##174B7A	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354E7C

Deuteranopia (green-blind)

#264579

Tritanopia (blue-blind)

#00565C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174b7a;
/* rgb */ color: rgb(23, 75, 122);
/* oklch */ color: oklch(40.4% 0.096 249.7);

Tailwind

colors: {
  custom: {
    50: '#657ca1',
    500: '#174b7a',
    950: '#000000',
  },
}

SCSS

$custom: #174b7a;
$custom-light: #657ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#174b7a",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 122
  },
  "hsl": {
    "h": 208.485,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40408,
    "c": 0.09583,
    "h": 249.7
  },
  "luminance": 0.06619
}

Semantic roles & 50–950 ramp

primary

#174B7A

secondary

#AF743E

accent

#8F3DEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090F

muted

#7A7B7E

Preview Lab

Preview with #174B7A

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

Preview Lab → · Contrast checker → · Palette generator →