#174B66#174B66

#174B66 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.2% C 0.070 H 235.6°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#174B66
RGB	rgb(23, 75, 102)
HSL	hsl(201, 63%, 25%)
HSV	hsv(201, 77%, 40%)
CMYK	cmyk(77.5%, 26.5%, 0%, 60%)
CIE-LAB	lab(29.84, -6.99, -20.64)
CIE-LCH	lch(29.84, 21.79, 251.30°)
OKLab	oklab(39.2% -0.0399 -0.0581)
OKLCH	oklch(39.2% 0.071 235.6)
XYZ	xyz(5.2667, 6.1730, 13.4817)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B66 #663217

analogous

#17665A #174B66 #172466

triadic

#174B66 #66174B #4B6617

tetradic

#174B66 #5A1766 #663217 #246617

square

#174B66 #5A1766 #663217 #246617

split-complementary

#174B66 #661724 #665A17

monochromatic

#061219 #0C2634 #174B66 #227098 #2E94CA

Accessibility & contrast

On white

9.40

#174B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#174B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B66

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B66	#FFFFFF	#000000	##FFFFFF
##174B66	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4B67

Deuteranopia (green-blind)

#334366

Tritanopia (blue-blind)

#005254

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #174b66;
/* rgb */ color: rgb(23, 75, 102);
/* oklch */ color: oklch(39.2% 0.070 235.6);

Tailwind

colors: {
  custom: {
    50: '#607d91',
    500: '#174b66',
    950: '#000000',
  },
}

SCSS

$custom: #174b66;
$custom-light: #607d91;
$custom-dark: #000000;

JSON

{
  "hex": "#174b66",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 102
  },
  "hsl": {
    "h": 200.506,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.39204,
    "c": 0.0705,
    "h": 235.6
  },
  "luminance": 0.06174
}

Semantic roles & 50–950 ramp

primary

#174B66

secondary

#9C5D3C

accent

#7A42E6

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#05090D

muted

#7A7B7D

Preview Lab

Preview with #174B66

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

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