#174A7C#174A7C

#174A7C is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.100 H 251.5°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#174A7C
RGB	rgb(23, 74, 124)
HSL	hsl(210, 69%, 29%)
HSV	hsv(210, 81%, 49%)
CMYK	cmyk(81.5%, 40.3%, 0%, 51.4%)
CIE-LAB	lab(30.72, 2.44, -33.11)
CIE-LCH	lch(30.72, 33.20, 274.21°)
OKLab	oklab(40.29% -0.0317 -0.0945)
OKLCH	oklch(40.29% 0.1 251.5)
XYZ	xyz(6.4388, 6.5342, 19.9867)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A7C #7C4917

analogous

#177C7C #174A7C #17187C

triadic

#174A7C #7C174A #4A7C17

tetradic

#174A7C #7C177C #7C4917 #187C17

square

#174A7C #7C177C #7C4917 #187C17

split-complementary

#174A7C #7C1718 #7C7C17

monochromatic

#050F1A #0D2B48 #174A7C #2169B0 #3488D9

Accessibility & contrast

On white

9.10

#174A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#174A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A7C

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A7C	#FFFFFF	#000000	##FFFFFF
##174A7C	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7E

Deuteranopia (green-blind)

#22447B

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174a7c;
/* rgb */ color: rgb(23, 74, 124);
/* oklch */ color: oklch(40.3% 0.100 251.5);

Tailwind

colors: {
  custom: {
    50: '#657ca2',
    500: '#174a7c',
    950: '#000000',
  },
}

SCSS

$custom: #174a7c;
$custom-light: #657ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#174a7c",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 124
  },
  "hsl": {
    "h": 209.703,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.4029,
    "c": 0.09968,
    "h": 251.5
  },
  "luminance": 0.06535
}

Semantic roles & 50–950 ramp

primary

#174A7C

secondary

#B1773E

accent

#933CEC

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #174A7C

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

Preview Lab → · Contrast checker → · Palette generator →