#174A8A#174A8A

#174A8A is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.3% C 0.119 H 256.2°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#174A8A
RGB	rgb(23, 74, 138)
HSL	hsl(213, 71%, 32%)
HSV	hsv(213, 83%, 54%)
CMYK	cmyk(83.3%, 46.4%, 0%, 45.9%)
CIE-LAB	lab(31.61, 8.17, -40.36)
CIE-LCH	lch(31.61, 41.18, 281.44°)
OKLab	oklab(41.27% -0.0284 -0.1158)
OKLCH	oklch(41.27% 0.119 256.2)
XYZ	xyz(7.3879, 6.9138, 24.9849)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A8A #8A5717

analogous

#17848A #174A8A #1D178A

triadic

#174A8A #8A174A #4A8A17

tetradic

#174A8A #8A1784 #8A5717 #178A1D

square

#174A8A #8A1784 #8A5717 #178A1D

split-complementary

#174A8A #8A1D17 #848A17

monochromatic

#061221 #0E2E56 #174A8A #2066BE #3D85DF

Accessibility & contrast

On white

8.81

#174A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#174A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A8A

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A8A	#FFFFFF	#000000	##FFFFFF
##174A8A	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28508C

Deuteranopia (green-blind)

#0D4689

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #174a8a;
/* rgb */ color: rgb(23, 74, 138);
/* oklch */ color: oklch(41.3% 0.119 256.2);

Tailwind

colors: {
  custom: {
    50: '#687bac',
    500: '#174a8a',
    950: '#000000',
  },
}

SCSS

$custom: #174a8a;
$custom-light: #687bac;
$custom-dark: #000000;

JSON

{
  "hex": "#174a8a",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 138
  },
  "hsl": {
    "h": 213.391,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41267,
    "c": 0.11925,
    "h": 256.2
  },
  "luminance": 0.06915
}

Semantic roles & 50–950 ramp

primary

#174A8A

secondary

#BE863F

accent

#9E3AEE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174A8A

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

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