#3180D0#3180D0

#3180D0 is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.1% C 0.144 H 251.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3180D0
RGB	rgb(49, 128, 208)
HSL	hsl(210, 63%, 50%)
HSV	hsv(210, 76%, 82%)
CMYK	cmyk(76.4%, 38.5%, 0%, 18.4%)
CIE-LAB	lab(52.56, 3.70, -48.08)
CIE-LCH	lch(52.56, 48.22, 274.40°)
OKLab	oklab(59.13% -0.0449 -0.1372)
OKLCH	oklch(59.13% 0.144 251.9)
XYZ	xyz(20.3667, 20.6430, 62.5734)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3180D0 #D08131

analogous

#31CFD0 #3180D0 #3231D0

triadic

#3180D0 #D03180 #80D031

tetradic

#3180D0 #D031CF #D08131 #31D032

square

#3180D0 #D031CF #D08131 #31D032

split-complementary

#3180D0 #D03231 #CFD031

monochromatic

#19436E #24629F #3180D0 #639FDB #95BDE7

Accessibility & contrast

On white

4.09

#3180D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3180D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3180D0

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3180D0	#FFFFFF	#000000	##000000
##3180D0	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A85D3

Deuteranopia (green-blind)

#4177CE

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3180d0;
/* rgb */ color: rgb(49, 128, 208);
/* oklch */ color: oklch(59.1% 0.144 251.9);

Tailwind

colors: {
  custom: {
    50: '#7fa4df',
    500: '#3180d0',
    950: '#000000',
  },
}

SCSS

$custom: #3180d0;
$custom-light: #7fa4df;
$custom-dark: #000000;

JSON

{
  "hex": "#3180d0",
  "rgb": {
    "r": 49,
    "g": 128,
    "b": 208
  },
  "hsl": {
    "h": 210.189,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.59127,
    "c": 0.14432,
    "h": 251.9
  },
  "luminance": 0.20645
}

Semantic roles & 50–950 ramp

primary

#3180D0

secondary

#D2AF8B

accent

#9442E6

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3180D0

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

Preview Lab → · Contrast checker → · Palette generator →