#174A7D#174A7D

#174A7D is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.4% C 0.101 H 251.9°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#174A7D
RGB	rgb(23, 74, 125)
HSL	hsl(210, 69%, 29%)
HSV	hsv(210, 82%, 49%)
CMYK	cmyk(81.6%, 40.8%, 0%, 51%)
CIE-LAB	lab(30.78, 2.85, -33.64)
CIE-LCH	lch(30.78, 33.76, 274.84°)
OKLab	oklab(40.36% -0.0314 -0.0961)
OKLCH	oklch(40.36% 0.101 251.9)
XYZ	xyz(6.5024, 6.5596, 20.3215)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A7D #7D4A17

analogous

#177D7D #174A7D #17177D

triadic

#174A7D #7D174A #4A7D17

tetradic

#174A7D #7D177D #7D4A17 #177D17

square

#174A7D #7D177D #7D4A17 #177D17

split-complementary

#174A7D #7D1717 #7D7D17

monochromatic

#050F1A #0D2B49 #174A7D #2169B1 #3587DA

Accessibility & contrast

On white

9.08

#174A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#174A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A7D

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A7D	#FFFFFF	#000000	##FFFFFF
##174A7D	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7F

Deuteranopia (green-blind)

#21447C

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174a7d;
/* rgb */ color: rgb(23, 74, 125);
/* oklch */ color: oklch(40.4% 0.101 251.9);

Tailwind

colors: {
  custom: {
    50: '#657ca3',
    500: '#174a7d',
    950: '#000000',
  },
}

SCSS

$custom: #174a7d;
$custom-light: #657ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#174a7d",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 125
  },
  "hsl": {
    "h": 210,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40357,
    "c": 0.10107,
    "h": 251.9
  },
  "luminance": 0.0656
}

Semantic roles & 50–950 ramp

primary

#174A7D

secondary

#B2783E

accent

#943CEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #174A7D

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

Preview Lab → · Contrast checker → · Palette generator →