#174B7C#174B7C

#174B7C is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.099 H 250.7°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#174B7C
RGB	rgb(23, 75, 124)
HSL	hsl(209, 69%, 29%)
HSV	hsv(209, 81%, 49%)
CMYK	cmyk(81.5%, 39.5%, 0%, 51.4%)
CIE-LAB	lab(31.04, 1.77, -32.60)
CIE-LCH	lch(31.04, 32.65, 273.11°)
OKLab	oklab(40.54% -0.0326 -0.093)
OKLCH	oklch(40.54% 0.099 250.7)
XYZ	xyz(6.5061, 6.6688, 20.0092)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B7C #7C4817

analogous

#177C7B #174B7C #17197C

triadic

#174B7C #7C174B #4B7C17

tetradic

#174B7C #7B177C #7C4817 #197C17

square

#174B7C #7B177C #7C4817 #197C17

split-complementary

#174B7C #7C1719 #7C7B17

monochromatic

#05101A #0D2C48 #174B7C #216AB0 #3489D9

Accessibility & contrast

On white

9.00

#174B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#174B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B7C

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B7C	#FFFFFF	#000000	##FFFFFF
##174B7C	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344E7E

Deuteranopia (green-blind)

#24457B

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174b7c;
/* rgb */ color: rgb(23, 75, 124);
/* oklch */ color: oklch(40.5% 0.099 250.7);

Tailwind

colors: {
  custom: {
    50: '#657ca2',
    500: '#174b7c',
    950: '#000000',
  },
}

SCSS

$custom: #174b7c;
$custom-light: #657ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#174b7c",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 124
  },
  "hsl": {
    "h": 209.109,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40539,
    "c": 0.09857,
    "h": 250.7
  },
  "luminance": 0.0667
}

Semantic roles & 50–950 ramp

primary

#174B7C

secondary

#B1763E

accent

#913CEC

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #174B7C

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

Preview Lab → · Contrast checker → · Palette generator →