#174B8A#174B8A

#174B8A is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.5% C 0.118 H 255.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#174B8A
RGB	rgb(23, 75, 138)
HSL	hsl(213, 71%, 32%)
HSV	hsv(213, 83%, 54%)
CMYK	cmyk(83.3%, 45.7%, 0%, 45.9%)
CIE-LAB	lab(31.92, 7.49, -39.87)
CIE-LCH	lch(31.92, 40.56, 280.65°)
OKLab	oklab(41.51% -0.0293 -0.1143)
OKLCH	oklch(41.51% 0.118 255.6)
XYZ	xyz(7.4552, 7.0484, 25.0074)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B8A #8A5617

analogous

#17858A #174B8A #1D178A

triadic

#174B8A #8A174B #4B8A17

tetradic

#174B8A #8A1785 #8A5617 #178A1D

square

#174B8A #8A1785 #8A5617 #178A1D

split-complementary

#174B8A #8A1D17 #858A17

monochromatic

#061221 #0E2E56 #174B8A #2068BE #3D86DF

Accessibility & contrast

On white

8.71

#174B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#174B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B8A

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B8A	#FFFFFF	#000000	##FFFFFF
##174B8A	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A518C

Deuteranopia (green-blind)

#114689

Tritanopia (blue-blind)

#005A63

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174b8a;
/* rgb */ color: rgb(23, 75, 138);
/* oklch */ color: oklch(41.5% 0.118 255.6);

Tailwind

colors: {
  custom: {
    50: '#687cac',
    500: '#174b8a',
    950: '#000000',
  },
}

SCSS

$custom: #174b8a;
$custom-light: #687cac;
$custom-dark: #000000;

JSON

{
  "hex": "#174b8a",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 138
  },
  "hsl": {
    "h": 212.87,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41505,
    "c": 0.11803,
    "h": 255.6
  },
  "luminance": 0.07049
}

Semantic roles & 50–950 ramp

primary

#174B8A

secondary

#BE843F

accent

#9D3AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174B8A

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

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