#174B7D#174B7D

#174B7D is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.6% C 0.100 H 251.1°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#174B7D
RGB	rgb(23, 75, 125)
HSL	hsl(209, 69%, 29%)
HSV	hsv(209, 82%, 49%)
CMYK	cmyk(81.6%, 40%, 0%, 51%)
CIE-LAB	lab(31.10, 2.18, -33.13)
CIE-LCH	lch(31.10, 33.20, 273.76°)
OKLab	oklab(40.61% -0.0324 -0.0945)
OKLCH	oklch(40.61% 0.1 251.1)
XYZ	xyz(6.5697, 6.6942, 20.3439)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B7D #7D4917

analogous

#177D7C #174B7D #17187D

triadic

#174B7D #7D174B #4B7D17

tetradic

#174B7D #7C177D #7D4917 #187D17

square

#174B7D #7C177D #7D4917 #187D17

split-complementary

#174B7D #7D1718 #7D7C17

monochromatic

#05101A #0D2C49 #174B7D #216AB1 #3589DA

Accessibility & contrast

On white

8.98

#174B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#174B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B7D

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B7D	#FFFFFF	#000000	##FFFFFF
##174B7D	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334E7F

Deuteranopia (green-blind)

#23457C

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174b7d;
/* rgb */ color: rgb(23, 75, 125);
/* oklch */ color: oklch(40.6% 0.100 251.1);

Tailwind

colors: {
  custom: {
    50: '#657ca3',
    500: '#174b7d',
    950: '#000000',
  },
}

SCSS

$custom: #174b7d;
$custom-light: #657ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#174b7d",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 125
  },
  "hsl": {
    "h": 209.412,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40605,
    "c": 0.09994,
    "h": 251.1
  },
  "luminance": 0.06695
}

Semantic roles & 50–950 ramp

primary

#174B7D

secondary

#B2773E

accent

#923CEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #174B7D

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

Preview Lab → · Contrast checker → · Palette generator →