#174A7B#174A7B

#174A7B is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.2% C 0.098 H 251.0°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#174A7B
RGB	rgb(23, 74, 123)
HSL	hsl(209, 68%, 29%)
HSV	hsv(209, 81%, 48%)
CMYK	cmyk(81.3%, 39.8%, 0%, 51.8%)
CIE-LAB	lab(30.66, 2.03, -32.58)
CIE-LCH	lch(30.66, 32.64, 273.57°)
OKLab	oklab(40.22% -0.032 -0.093)
OKLCH	oklch(40.22% 0.098 251)
XYZ	xyz(6.3759, 6.5090, 19.6554)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A7B #7B4817

analogous

#177B7A #174A7B #17187B

triadic

#174A7B #7B174A #4A7B17

tetradic

#174A7B #7A177B #7B4817 #187B17

square

#174A7B #7A177B #7B4817 #187B17

split-complementary

#174A7B #7B1718 #7B7A17

monochromatic

#05101A #0D2B47 #174A7B #2169AF #3388D9

Accessibility & contrast

On white

9.12

#174A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#174A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A7B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A7B	#FFFFFF	#000000	##FFFFFF
##174A7B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334D7D

Deuteranopia (green-blind)

#23447A

Tritanopia (blue-blind)

#00565C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174a7b;
/* rgb */ color: rgb(23, 74, 123);
/* oklch */ color: oklch(40.2% 0.098 251.0);

Tailwind

colors: {
  custom: {
    50: '#657ca1',
    500: '#174a7b',
    950: '#000000',
  },
}

SCSS

$custom: #174a7b;
$custom-light: #657ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#174a7b",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 123
  },
  "hsl": {
    "h": 209.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40223,
    "c": 0.0983,
    "h": 251
  },
  "luminance": 0.0651
}

Semantic roles & 50–950 ramp

primary

#174A7B

secondary

#B0763E

accent

#923CEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090F

muted

#7A7B7E

Preview Lab

Preview with #174A7B

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

Preview Lab → · Contrast checker → · Palette generator →