#3183C5#3183C5

#3183C5 is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.2% C 0.128 H 246.7°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3183C5
RGB	rgb(49, 131, 197)
HSL	hsl(207, 60%, 48%)
HSV	hsv(207, 75%, 77%)
CMYK	cmyk(75.1%, 33.5%, 0%, 22.7%)
CIE-LAB	lab(52.86, -2.11, -41.36)
CIE-LCH	lch(52.86, 41.41, 267.08°)
OKLab	oklab(59.17% -0.0505 -0.1174)
OKLCH	oklch(59.17% 0.128 246.7)
XYZ	xyz(19.4571, 20.9145, 55.8239)
Luminance	0.2092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183C5 #C57331

analogous

#31C5BD #3183C5 #3139C5

triadic

#3183C5 #C53183 #83C531

tetradic

#3183C5 #BD31C5 #C57331 #39C531

square

#3183C5 #BD31C5 #C57331 #39C531

split-complementary

#3183C5 #C53139 #C5BD31

monochromatic

#194263 #256294 #3183C5 #5DA0D7 #8EBDE3

Accessibility & contrast

On white

4.05

#3183C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3183C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183C5

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183C5	#FFFFFF	#000000	##000000
##3183C5	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6586C8

Deuteranopia (green-blind)

#5078C4

Tritanopia (blue-blind)

#00939B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3183c5;
/* rgb */ color: rgb(49, 131, 197);
/* oklch */ color: oklch(59.2% 0.128 246.7);

Tailwind

colors: {
  custom: {
    50: '#7da6d7',
    500: '#3183c5',
    950: '#000000',
  },
}

SCSS

$custom: #3183c5;
$custom-light: #7da6d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3183c5",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 197
  },
  "hsl": {
    "h": 206.757,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.59174,
    "c": 0.12783,
    "h": 246.7
  },
  "luminance": 0.20917
}

Semantic roles & 50–950 ramp

primary

#3183C5

secondary

#CDA585

accent

#8B44E3

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3183C5

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

Preview Lab → · Contrast checker → · Palette generator →