#3182D4#3182D4

#3182D4 is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.8% C 0.147 H 251.9°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3182D4
RGB	rgb(49, 130, 212)
HSL	hsl(210, 65%, 51%)
HSV	hsv(210, 77%, 83%)
CMYK	cmyk(76.9%, 38.7%, 0%, 16.9%)
CIE-LAB	lab(53.35, 3.96, -49.08)
CIE-LCH	lch(53.35, 49.24, 274.61°)
OKLab	oklab(59.82% -0.0457 -0.1401)
OKLCH	oklch(59.82% 0.147 251.9)
XYZ	xyz(21.1284, 21.3692, 65.2857)
Luminance	0.2137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3182D4 #D48331

analogous

#31D3D4 #3182D4 #3131D4

triadic

#3182D4 #D43182 #82D431

tetradic

#3182D4 #D431D3 #D48331 #31D431

square

#3182D4 #D431D3 #D48331 #31D431

split-complementary

#3182D4 #D43131 #D3D431

monochromatic

#184573 #2363A5 #3182D4 #64A1DF #96BFE9

Accessibility & contrast

On white

3.98

#3182D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3182D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3182D4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3182D4	#FFFFFF	#000000	##000000
##3182D4	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B88D7

Deuteranopia (green-blind)

#4179D2

Tritanopia (blue-blind)

#0095A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3182d4;
/* rgb */ color: rgb(49, 130, 212);
/* oklch */ color: oklch(59.8% 0.147 251.9);

Tailwind

colors: {
  custom: {
    50: '#80a5e1',
    500: '#3182d4',
    950: '#000000',
  },
}

SCSS

$custom: #3182d4;
$custom-light: #80a5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3182d4",
  "rgb": {
    "r": 49,
    "g": 130,
    "b": 212
  },
  "hsl": {
    "h": 210.184,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.59819,
    "c": 0.14732,
    "h": 251.9
  },
  "luminance": 0.21372
}

Semantic roles & 50–950 ramp

primary

#3182D4

secondary

#D4B18C

accent

#943FE8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3182D4

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

Preview Lab → · Contrast checker → · Palette generator →