#3166AA#3166AA

#3166AA is a mid, vivid cyan. Relative luminance 0.131; OKLCH L 50.9% C 0.122 H 255.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3166AA
RGB	rgb(49, 102, 170)
HSL	hsl(214, 55%, 43%)
HSV	hsv(214, 71%, 67%)
CMYK	cmyk(71.2%, 40%, 0%, 33.3%)
CIE-LAB	lab(42.85, 5.74, -41.59)
CIE-LCH	lch(42.85, 41.98, 277.85°)
OKLab	oklab(50.87% -0.03 -0.1186)
OKLCH	oklch(50.87% 0.122 255.8)
XYZ	xyz(13.2710, 13.0566, 39.8432)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3166AA #AA7531

analogous

#31A2AA #3166AA #3831AA

triadic

#3166AA #AA3166 #66AA31

tetradic

#3166AA #AA31A2 #AA7531 #31AA38

square

#3166AA #AA31A2 #AA7531 #31AA38

split-complementary

#3166AA #AA3831 #A2AA31

monochromatic

#162D4B #23497A #3166AA #4D84CC #7CA5D9

Accessibility & contrast

On white

5.81

#3166AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3166AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3166AA

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3166AA	#FFFFFF	#000000	##FFFFFF
##3166AA	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476BAD

Deuteranopia (green-blind)

#3460A9

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3166aa;
/* rgb */ color: rgb(49, 102, 170);
/* oklch */ color: oklch(50.9% 0.122 255.8);

Tailwind

colors: {
  custom: {
    50: '#7891c4',
    500: '#3166aa',
    950: '#000000',
  },
}

SCSS

$custom: #3166aa;
$custom-light: #7891c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3166aa",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 170
  },
  "hsl": {
    "h": 213.719,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50866,
    "c": 0.12231,
    "h": 255.8
  },
  "luminance": 0.13058
}

Semantic roles & 50–950 ramp

primary

#3166AA

secondary

#C2A075

accent

#9D49DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3166AA

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

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