#174B8F#174B8F

#174B8F is a dark, vivid cyan. Relative luminance 0.072; OKLCH L 41.9% C 0.125 H 256.9°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#174B8F
RGB	rgb(23, 75, 143)
HSL	hsl(214, 72%, 33%)
HSV	hsv(214, 84%, 56%)
CMYK	cmyk(83.9%, 47.6%, 0%, 43.9%)
CIE-LAB	lab(32.25, 9.54, -42.40)
CIE-LCH	lch(32.25, 43.46, 282.69°)
OKLab	oklab(41.87% -0.0283 -0.1218)
OKLCH	oklch(41.87% 0.125 256.9)
XYZ	xyz(7.8255, 7.1965, 26.9579)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B8F #8F5B17

analogous

#17878F #174B8F #1F178F

triadic

#174B8F #8F174B #4B8F17

tetradic

#174B8F #8F1787 #8F5B17 #178F1F

square

#174B8F #8F1787 #8F5B17 #178F1F

split-complementary

#174B8F #8F1F17 #878F17

monochromatic

#061426 #0F2F5A #174B8F #1F67C4 #4086E0

Accessibility & contrast

On white

8.61

#174B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#174B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B8F

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B8F	#FFFFFF	#000000	##FFFFFF
##174B8F	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265292

Deuteranopia (green-blind)

#04478E

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #174b8f;
/* rgb */ color: rgb(23, 75, 143);
/* oklch */ color: oklch(41.9% 0.125 256.9);

Tailwind

colors: {
  custom: {
    50: '#6a7cb0',
    500: '#174b8f',
    950: '#000000',
  },
}

SCSS

$custom: #174b8f;
$custom-light: #6a7cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#174b8f",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 143
  },
  "hsl": {
    "h": 214,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4187,
    "c": 0.12503,
    "h": 256.9
  },
  "luminance": 0.07197
}

Semantic roles & 50–950 ramp

primary

#174B8F

secondary

#C18941

accent

#A039EF

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #174B8F

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

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