#174C81#174C81

#174C81 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.1% C 0.104 H 252.0°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#174C81
RGB	rgb(23, 76, 129)
HSL	hsl(210, 70%, 30%)
HSV	hsv(210, 82%, 51%)
CMYK	cmyk(82.2%, 41.1%, 0%, 49.4%)
CIE-LAB	lab(31.66, 3.14, -34.72)
CIE-LCH	lch(31.66, 34.87, 275.17°)
OKLab	oklab(41.12% -0.0322 -0.0992)
OKLCH	oklch(41.12% 0.104 252)
XYZ	xyz(6.8987, 6.9352, 21.7397)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174C81 #814C17

analogous

#178181 #174C81 #171781

triadic

#174C81 #81174C #4C8117

tetradic

#174C81 #811781 #814C17 #178117

square

#174C81 #811781 #814C17 #178117

split-complementary

#174C81 #811717 #818117

monochromatic

#050F1A #0E2D4D #174C81 #206BB5 #3789DB

Accessibility & contrast

On white

8.80

#174C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#174C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174C81

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174C81	#FFFFFF	#000000	##FFFFFF
##174C81	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325083

Deuteranopia (green-blind)

#214680

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #174c81;
/* rgb */ color: rgb(23, 76, 129);
/* oklch */ color: oklch(41.1% 0.104 252.0);

Tailwind

colors: {
  custom: {
    50: '#667da6',
    500: '#174c81',
    950: '#000000',
  },
}

SCSS

$custom: #174c81;
$custom-light: #667da6;
$custom-dark: #000000;

JSON

{
  "hex": "#174c81",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 129
  },
  "hsl": {
    "h": 210,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.4112,
    "c": 0.10432,
    "h": 252
  },
  "luminance": 0.06936
}

Semantic roles & 50–950 ramp

primary

#174C81

secondary

#B57A3E

accent

#943BED

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174C81

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

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