#3183E2#3183E2

#3183E2 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.9% C 0.164 H 254.7°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3183E2
RGB	rgb(49, 131, 226)
HSL	hsl(212, 75%, 54%)
HSV	hsv(212, 78%, 89%)
CMYK	cmyk(78.3%, 42%, 0%, 11.4%)
CIE-LAB	lab(54.42, 8.51, -55.24)
CIE-LCH	lch(54.42, 55.89, 278.76°)
OKLab	oklab(60.91% -0.0434 -0.1582)
OKLCH	oklch(60.91% 0.164 254.7)
XYZ	xyz(23.1053, 22.3738, 75.0376)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183E2 #E29031

analogous

#31DCE2 #3183E2 #3831E2

triadic

#3183E2 #E23183 #83E231

tetradic

#3183E2 #E231DC #E29031 #31E238

square

#3183E2 #E231DC #E29031 #31E238

split-complementary

#3183E2 #E23831 #DCE231

monochromatic

#134886 #1A65BB #3183E2 #67A3EA #9CC4F1

Accessibility & contrast

On white

3.84

#3183E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3183E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183E2

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183E2	#FFFFFF	#000000	##000000
##3183E2	1.00	3.84	5.48	5.48
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548BE6

Deuteranopia (green-blind)

#337BE0

Tritanopia (blue-blind)

#009AA7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3183e2;
/* rgb */ color: rgb(49, 131, 226);
/* oklch */ color: oklch(60.9% 0.164 254.7);

Tailwind

colors: {
  custom: {
    50: '#83a6ec',
    500: '#3183e2',
    950: '#000000',
  },
}

SCSS

$custom: #3183e2;
$custom-light: #83a6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3183e2",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 226
  },
  "hsl": {
    "h": 212.203,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.60908,
    "c": 0.164,
    "h": 254.7
  },
  "luminance": 0.22377
}

Semantic roles & 50–950 ramp

primary

#3183E2

secondary

#DDBA92

accent

#9B36F2

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3183E2

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

Preview Lab → · Contrast checker → · Palette generator →