#3187C4#3187C4

#3187C4 is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.1% C 0.123 H 243.7°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3187C4
RGB	rgb(49, 135, 196)
HSL	hsl(205, 60%, 48%)
HSV	hsv(205, 75%, 77%)
CMYK	cmyk(75%, 31.1%, 0%, 23.1%)
CIE-LAB	lab(53.99, -4.82, -39.00)
CIE-LCH	lch(53.99, 39.30, 262.95°)
OKLab	oklab(60.05% -0.0545 -0.1105)
OKLCH	oklch(60.05% 0.123 243.7)
XYZ	xyz(19.8905, 21.9641, 55.4050)
Luminance	0.2197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3187C4 #C46E31

analogous

#31C4B7 #3187C4 #313DC4

triadic

#3187C4 #C43187 #87C431

tetradic

#3187C4 #B731C4 #C46E31 #3DC431

square

#3187C4 #B731C4 #C46E31 #3DC431

split-complementary

#3187C4 #C4313D #C4B731

monochromatic

#194462 #256593 #3187C4 #5CA3D6 #8DBFE2

Accessibility & contrast

On white

3.89

#3187C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#3187C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3187C4

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3187C4	#FFFFFF	#000000	##000000
##3187C4	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B89C7

Deuteranopia (green-blind)

#567BC3

Tritanopia (blue-blind)

#00969D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3187c4;
/* rgb */ color: rgb(49, 135, 196);
/* oklch */ color: oklch(60.1% 0.123 243.7);

Tailwind

colors: {
  custom: {
    50: '#7da9d6',
    500: '#3187c4',
    950: '#000000',
  },
}

SCSS

$custom: #3187c4;
$custom-light: #7da9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3187c4",
  "rgb": {
    "r": 49,
    "g": 135,
    "b": 196
  },
  "hsl": {
    "h": 204.898,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.60051,
    "c": 0.12324,
    "h": 243.7
  },
  "luminance": 0.21966
}

Semantic roles & 50–950 ramp

primary

#3187C4

secondary

#CDA284

accent

#8645E3

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3187C4

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

Preview Lab → · Contrast checker → · Palette generator →