#174E90#174E90

#174E90 is a dark, vivid cyan. Relative luminance 0.076; OKLCH L 42.6% C 0.123 H 255.6°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#174E90
RGB	rgb(23, 78, 144)
HSL	hsl(213, 72%, 33%)
HSV	hsv(213, 84%, 56%)
CMYK	cmyk(84%, 45.8%, 0%, 43.5%)
CIE-LAB	lab(33.23, 7.93, -41.43)
CIE-LCH	lch(33.23, 42.18, 280.83°)
OKLab	oklab(42.65% -0.0305 -0.1189)
OKLCH	oklch(42.65% 0.123 255.6)
XYZ	xyz(8.1099, 7.6436, 27.4281)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E90 #905917

analogous

#178B90 #174E90 #1C1790

triadic

#174E90 #90174E #4E9017

tetradic

#174E90 #90178B #905917 #17901C

square

#174E90 #90178B #905917 #17901C

split-complementary

#174E90 #901C17 #8B9017

monochromatic

#061526 #0F315B #174E90 #1F6BC5 #4189E1

Accessibility & contrast

On white

8.30

#174E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#174E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E90

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E90	#FFFFFF	#000000	##FFFFFF
##174E90	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5493

Deuteranopia (green-blind)

#10498F

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #174e90;
/* rgb */ color: rgb(23, 78, 144);
/* oklch */ color: oklch(42.6% 0.123 255.6);

Tailwind

colors: {
  custom: {
    50: '#6a7fb1',
    500: '#174e90',
    950: '#000000',
  },
}

SCSS

$custom: #174e90;
$custom-light: #6a7fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#174e90",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 144
  },
  "hsl": {
    "h": 212.727,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42649,
    "c": 0.12275,
    "h": 255.6
  },
  "luminance": 0.07645
}

Semantic roles & 50–950 ramp

primary

#174E90

secondary

#C18742

accent

#9C39EF

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A11

muted

#7A7C80

Preview Lab

Preview with #174E90

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

Preview Lab → · Contrast checker → · Palette generator →