#174A80#174A80

#174A80 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.6% C 0.105 H 253.1°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#174A80
RGB	rgb(23, 74, 128)
HSL	hsl(211, 70%, 30%)
HSV	hsv(211, 82%, 50%)
CMYK	cmyk(82%, 42.2%, 0%, 49.8%)
CIE-LAB	lab(30.97, 4.07, -35.21)
CIE-LCH	lch(30.97, 35.44, 276.60°)
OKLab	oklab(40.56% -0.0307 -0.1007)
OKLCH	oklch(40.56% 0.105 253.1)
XYZ	xyz(6.6969, 6.6374, 21.3461)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A80 #804D17

analogous

#177F80 #174A80 #191780

triadic

#174A80 #80174A #4A8017

tetradic

#174A80 #80177F #804D17 #178019

square

#174A80 #80177F #804D17 #178019

split-complementary

#174A80 #801917 #7F8017

monochromatic

#050F1A #0E2C4C #174A80 #2068B4 #3686DB

Accessibility & contrast

On white

9.02

#174A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#174A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A80

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A80	#FFFFFF	#000000	##FFFFFF
##174A80	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304E82

Deuteranopia (green-blind)

#1E457F

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174a80;
/* rgb */ color: rgb(23, 74, 128);
/* oklch */ color: oklch(40.6% 0.105 253.1);

Tailwind

colors: {
  custom: {
    50: '#667ca5',
    500: '#174a80',
    950: '#000000',
  },
}

SCSS

$custom: #174a80;
$custom-light: #667ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#174a80",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 128
  },
  "hsl": {
    "h": 210.857,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4056,
    "c": 0.10524,
    "h": 253.1
  },
  "luminance": 0.06638
}

Semantic roles & 50–950 ramp

primary

#174A80

secondary

#B47B3E

accent

#963BEC

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174A80

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

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