#174E7F#174E7F

#174E7F is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.099 H 249.6°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#174E7F
RGB	rgb(23, 78, 127)
HSL	hsl(208, 69%, 29%)
HSV	hsv(208, 82%, 50%)
CMYK	cmyk(81.9%, 38.6%, 0%, 50.2%)
CIE-LAB	lab(32.17, 1.01, -32.67)
CIE-LCH	lch(32.17, 32.68, 271.76°)
OKLab	oklab(41.48% -0.0346 -0.0931)
OKLCH	oklch(41.48% 0.099 249.6)
XYZ	xyz(6.9070, 7.1624, 21.0930)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E7F #7F4817

analogous

#177F7C #174E7F #171A7F

triadic

#174E7F #7F174E #4E7F17

tetradic

#174E7F #7C177F #7F4817 #1A7F17

square

#174E7F #7C177F #7F4817 #1A7F17

split-complementary

#174E7F #7F171A #7F7C17

monochromatic

#05101A #0E2E4B #174E7F #206EB3 #368DDB

Accessibility & contrast

On white

8.63

#174E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#174E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E7F

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E7F	#FFFFFF	#000000	##FFFFFF
##174E7F	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375181

Deuteranopia (green-blind)

#27477E

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #174e7f;
/* rgb */ color: rgb(23, 78, 127);
/* oklch */ color: oklch(41.5% 0.099 249.6);

Tailwind

colors: {
  custom: {
    50: '#667fa4',
    500: '#174e7f',
    950: '#000000',
  },
}

SCSS

$custom: #174e7f;
$custom-light: #667fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#174e7f",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 127
  },
  "hsl": {
    "h": 208.269,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41484,
    "c": 0.09938,
    "h": 249.6
  },
  "luminance": 0.07163
}

Semantic roles & 50–950 ramp

primary

#174E7F

secondary

#B4763E

accent

#8F3CEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #174E7F

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

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