#174F7D#174F7D

#174F7D is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.6% C 0.096 H 247.8°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#174F7D
RGB	rgb(23, 79, 125)
HSL	hsl(207, 69%, 29%)
HSV	hsv(207, 82%, 49%)
CMYK	cmyk(81.6%, 36.8%, 0%, 51%)
CIE-LAB	lab(32.38, -0.46, -31.10)
CIE-LCH	lch(32.38, 31.10, 269.16°)
OKLab	oklab(41.61% -0.0362 -0.0885)
OKLCH	oklch(41.61% 0.096 247.8)
XYZ	xyz(6.8496, 7.2540, 20.4372)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F7D #7D4517

analogous

#177D78 #174F7D #171C7D

triadic

#174F7D #7D174F #4F7D17

tetradic

#174F7D #78177D #7D4517 #1C7D17

square

#174F7D #78177D #7D4517 #1C7D17

split-complementary

#174F7D #7D171C #7D7817

monochromatic

#05101A #0D2E49 #174F7D #2170B1 #358FDA

Accessibility & contrast

On white

8.57

#174F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#174F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F7D

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F7D	#FFFFFF	#000000	##FFFFFF
##174F7D	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39517F

Deuteranopia (green-blind)

#2B487C

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #174f7d;
/* rgb */ color: rgb(23, 79, 125);
/* oklch */ color: oklch(41.6% 0.096 247.8);

Tailwind

colors: {
  custom: {
    50: '#6580a3',
    500: '#174f7d',
    950: '#000000',
  },
}

SCSS

$custom: #174f7d;
$custom-light: #6580a3;
$custom-dark: #000000;

JSON

{
  "hex": "#174f7d",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 125
  },
  "hsl": {
    "h": 207.059,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.41607,
    "c": 0.09565,
    "h": 247.8
  },
  "luminance": 0.07255
}

Semantic roles & 50–950 ramp

primary

#174F7D

secondary

#B2723E

accent

#8B3CEC

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#060A0F

muted

#7A7C7F

Preview Lab

Preview with #174F7D

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

Preview Lab → · Contrast checker → · Palette generator →