#3183D4#3183D4

#3183D4 is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.0% C 0.146 H 251.5°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3183D4
RGB	rgb(49, 131, 212)
HSL	hsl(210, 65%, 51%)
HSV	hsv(210, 77%, 83%)
CMYK	cmyk(76.9%, 38.2%, 0%, 16.9%)
CIE-LAB	lab(53.64, 3.35, -48.62)
CIE-LCH	lch(53.64, 48.73, 273.95°)
OKLab	oklab(60.04% -0.0465 -0.1387)
OKLCH	oklch(60.04% 0.146 251.5)
XYZ	xyz(21.2621, 21.6365, 65.3303)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183D4 #D48231

analogous

#31D4D3 #3183D4 #3131D4

triadic

#3183D4 #D43183 #83D431

tetradic

#3183D4 #D331D4 #D48231 #31D431

square

#3183D4 #D331D4 #D48231 #31D431

split-complementary

#3183D4 #D43131 #D4D331

monochromatic

#184673 #2364A5 #3183D4 #64A1DF #96C0E9

Accessibility & contrast

On white

3.94

#3183D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3183D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183D4

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183D4	#FFFFFF	#000000	##000000
##3183D4	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D88D7

Deuteranopia (green-blind)

#4379D2

Tritanopia (blue-blind)

#0096A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3183d4;
/* rgb */ color: rgb(49, 131, 212);
/* oklch */ color: oklch(60.0% 0.146 251.5);

Tailwind

colors: {
  custom: {
    50: '#80a6e1',
    500: '#3183d4',
    950: '#000000',
  },
}

SCSS

$custom: #3183d4;
$custom-light: #80a6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3183d4",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 212
  },
  "hsl": {
    "h": 209.816,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.60044,
    "c": 0.1463,
    "h": 251.5
  },
  "luminance": 0.21639
}

Semantic roles & 50–950 ramp

primary

#3183D4

secondary

#D4B08C

accent

#933FE8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3183D4

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

Preview Lab → · Contrast checker → · Palette generator →