#174D8E#174D8E

#174D8E is a dark, vivid cyan. Relative luminance 0.074; OKLCH L 42.3% C 0.121 H 255.6°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#174D8E
RGB	rgb(23, 77, 142)
HSL	hsl(213, 72%, 32%)
HSV	hsv(213, 84%, 56%)
CMYK	cmyk(83.8%, 45.8%, 0%, 44.3%)
CIE-LAB	lab(32.79, 7.78, -40.91)
CIE-LCH	lch(32.79, 41.65, 280.77°)
OKLab	oklab(42.27% -0.0301 -0.1174)
OKLCH	oklch(42.27% 0.121 255.6)
XYZ	xyz(7.8879, 7.4419, 26.6066)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D8E #8E5817

analogous

#17898E #174D8E #1C178E

triadic

#174D8E #8E174D #4D8E17

tetradic

#174D8E #8E1789 #8E5817 #178E1C

square

#174D8E #8E1789 #8E5817 #178E1C

split-complementary

#174D8E #8E1C17 #898E17

monochromatic

#061425 #0E3059 #174D8E #206AC3 #3F88E0

Accessibility & contrast

On white

8.44

#174D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#174D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D8E

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D8E	#FFFFFF	#000000	##FFFFFF
##174D8E	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5390

Deuteranopia (green-blind)

#10488D

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #174d8e;
/* rgb */ color: rgb(23, 77, 142);
/* oklch */ color: oklch(42.3% 0.121 255.6);

Tailwind

colors: {
  custom: {
    50: '#697eaf',
    500: '#174d8e',
    950: '#000000',
  },
}

SCSS

$custom: #174d8e;
$custom-light: #697eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#174d8e",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 142
  },
  "hsl": {
    "h": 212.773,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42268,
    "c": 0.12118,
    "h": 255.6
  },
  "luminance": 0.07443
}

Semantic roles & 50–950 ramp

primary

#174D8E

secondary

#C08640

accent

#9C39EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174D8E

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

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