#3187CF#3187CF

#3187CF is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.7% C 0.136 H 247.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3187CF
RGB	rgb(49, 135, 207)
HSL	hsl(207, 62%, 50%)
HSV	hsv(207, 76%, 81%)
CMYK	cmyk(76.3%, 34.8%, 0%, 18.8%)
CIE-LAB	lab(54.54, -0.86, -44.37)
CIE-LCH	lch(54.54, 44.38, 268.89°)
OKLab	oklab(60.66% -0.0513 -0.1262)
OKLCH	oklch(60.66% 0.136 247.9)
XYZ	xyz(21.1888, 22.4834, 62.2424)
Luminance	0.2249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3187CF #CF7931

analogous

#31CFC8 #3187CF #3138CF

triadic

#3187CF #CF3187 #87CF31

tetradic

#3187CF #C831CF #CF7931 #38CF31

square

#3187CF #C831CF #CF7931 #38CF31

split-complementary

#3187CF #CF3138 #CFC831

monochromatic

#19466C #25679E #3187CF #63A4DB #94C1E6

Accessibility & contrast

On white

3.82

#3187CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3187CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3187CF

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3187CF	#FFFFFF	#000000	##000000
##3187CF	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668AD2

Deuteranopia (green-blind)

#4F7CCE

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3187cf;
/* rgb */ color: rgb(49, 135, 207);
/* oklch */ color: oklch(60.7% 0.136 247.9);

Tailwind

colors: {
  custom: {
    50: '#7fa9de',
    500: '#3187cf',
    950: '#000000',
  },
}

SCSS

$custom: #3187cf;
$custom-light: #7fa9de;
$custom-dark: #000000;

JSON

{
  "hex": "#3187cf",
  "rgb": {
    "r": 49,
    "g": 135,
    "b": 207
  },
  "hsl": {
    "h": 207.342,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.60662,
    "c": 0.13625,
    "h": 247.9
  },
  "luminance": 0.22486
}

Semantic roles & 50–950 ramp

primary

#3187CF

secondary

#D1AB8B

accent

#8D43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3187CF

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

Preview Lab → · Contrast checker → · Palette generator →