#174F90#174F90

#174F90 is a dark, vivid cyan. Relative luminance 0.078; OKLCH L 42.9% C 0.122 H 255.0°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#174F90
RGB	rgb(23, 79, 144)
HSL	hsl(212, 72%, 33%)
HSV	hsv(212, 84%, 56%)
CMYK	cmyk(84%, 45.1%, 0%, 43.5%)
CIE-LAB	lab(33.53, 7.26, -40.94)
CIE-LCH	lch(33.53, 41.58, 280.05°)
OKLab	oklab(42.89% -0.0314 -0.1174)
OKLCH	oklch(42.89% 0.122 255)
XYZ	xyz(8.1815, 7.7867, 27.4519)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F90 #905817

analogous

#178C90 #174F90 #1B1790

triadic

#174F90 #90174F #4F9017

tetradic

#174F90 #90178C #905817 #17901B

square

#174F90 #90178C #905817 #17901B

split-complementary

#174F90 #901B17 #8C9017

monochromatic

#061526 #0F325B #174F90 #1F6CC5 #418BE1

Accessibility & contrast

On white

8.21

#174F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#174F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F90

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F90	#FFFFFF	#000000	##FFFFFF
##174F90	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5592

Deuteranopia (green-blind)

#144A8F

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #174f90;
/* rgb */ color: rgb(23, 79, 144);
/* oklch */ color: oklch(42.9% 0.122 255.0);

Tailwind

colors: {
  custom: {
    50: '#6a7fb1',
    500: '#174f90',
    950: '#000000',
  },
}

SCSS

$custom: #174f90;
$custom-light: #6a7fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#174f90",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 144
  },
  "hsl": {
    "h": 212.231,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42886,
    "c": 0.12155,
    "h": 255
  },
  "luminance": 0.07788
}

Semantic roles & 50–950 ramp

primary

#174F90

secondary

#C18642

accent

#9B39EF

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A11

muted

#7A7C80

Preview Lab

Preview with #174F90

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

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