#174A81#174A81

#174A81 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.6% C 0.107 H 253.4°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#174A81
RGB	rgb(23, 74, 129)
HSL	hsl(211, 70%, 30%)
HSV	hsv(211, 82%, 51%)
CMYK	cmyk(82.2%, 42.6%, 0%, 49.4%)
CIE-LAB	lab(31.03, 4.48, -35.73)
CIE-LCH	lch(31.03, 36.01, 277.15°)
OKLab	oklab(40.63% -0.0304 -0.1022)
OKLCH	oklch(40.63% 0.107 253.4)
XYZ	xyz(6.7631, 6.6639, 21.6944)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A81 #814E17

analogous

#177F81 #174A81 #191781

triadic

#174A81 #81174A #4A8117

tetradic

#174A81 #81177F #814E17 #178119

square

#174A81 #81177F #814E17 #178119

split-complementary

#174A81 #811917 #7F8117

monochromatic

#050F1A #0E2C4D #174A81 #2068B5 #3786DB

Accessibility & contrast

On white

9.00

#174A81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#174A81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A81

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A81	#FFFFFF	#000000	##FFFFFF
##174A81	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4E83

Deuteranopia (green-blind)

#1D4580

Tritanopia (blue-blind)

#00575F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174a81;
/* rgb */ color: rgb(23, 74, 129);
/* oklch */ color: oklch(40.6% 0.107 253.4);

Tailwind

colors: {
  custom: {
    50: '#667ca6',
    500: '#174a81',
    950: '#000000',
  },
}

SCSS

$custom: #174a81;
$custom-light: #667ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#174a81",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 129
  },
  "hsl": {
    "h": 211.132,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40629,
    "c": 0.10663,
    "h": 253.4
  },
  "luminance": 0.06665
}

Semantic roles & 50–950 ramp

primary

#174A81

secondary

#B57C3E

accent

#973BED

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174A81

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

Preview Lab → · Contrast checker → · Palette generator →