#164C81#164C81

#164C81 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.1% C 0.105 H 251.7°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#164C81
RGB	rgb(22, 76, 129)
HSL	hsl(210, 71%, 30%)
HSV	hsv(210, 83%, 51%)
CMYK	cmyk(82.9%, 41.1%, 0%, 49.4%)
CIE-LAB	lab(31.63, 3.03, -34.77)
CIE-LCH	lch(31.63, 34.90, 274.98°)
OKLab	oklab(41.09% -0.0328 -0.0993)
OKLCH	oklch(41.09% 0.105 251.7)
XYZ	xyz(6.8763, 6.9236, 21.7386)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164C81 #814B16

analogous

#168181 #164C81 #161681

triadic

#164C81 #81164C #4C8116

tetradic

#164C81 #811681 #814B16 #168116

square

#164C81 #811681 #814B16 #168116

split-complementary

#164C81 #811616 #818116

monochromatic

#040F1A #0D2D4D #164C81 #1F6BB5 #3589DD

Accessibility & contrast

On white

8.81

#164C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#164C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164C81

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164C81	#FFFFFF	#000000	##FFFFFF
##164C81	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	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: #164c81;
/* rgb */ color: rgb(22, 76, 129);
/* oklch */ color: oklch(41.1% 0.105 251.7);

Tailwind

colors: {
  custom: {
    50: '#667da6',
    500: '#164c81',
    950: '#000000',
  },
}

SCSS

$custom: #164c81;
$custom-light: #667da6;
$custom-dark: #000000;

JSON

{
  "hex": "#164c81",
  "rgb": {
    "r": 22,
    "g": 76,
    "b": 129
  },
  "hsl": {
    "h": 209.72,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41092,
    "c": 0.10462,
    "h": 251.7
  },
  "luminance": 0.06924
}

Semantic roles & 50–950 ramp

primary

#164C81

secondary

#B6793D

accent

#933AEE

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #164C81

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

Preview Lab → · Contrast checker → · Palette generator →