#3387BC#3387BC

#3387BC is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.7% C 0.113 H 240.5°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3387BC
RGB	rgb(51, 135, 188)
HSL	hsl(203, 57%, 47%)
HSV	hsv(203, 73%, 74%)
CMYK	cmyk(72.9%, 28.2%, 0%, 26.3%)
CIE-LAB	lab(53.66, -7.40, -34.95)
CIE-LCH	lch(53.66, 35.72, 258.05°)
OKLab	oklab(59.69% -0.0559 -0.0987)
OKLCH	oklch(59.69% 0.113 240.5)
XYZ	xyz(19.1028, 21.6604, 50.7413)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387BC #BC6833

analogous

#33BCAD #3387BC #3342BC

triadic

#3387BC #BC3387 #87BC33

tetradic

#3387BC #AD33BC #BC6833 #42BC33

square

#3387BC #AD33BC #BC6833 #42BC33

split-complementary

#3387BC #BC3342 #BCAD33

monochromatic

#19425C #26648C #3387BC #5AA4D2 #8ABEDF

Accessibility & contrast

On white

3.94

#3387BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3387BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387BC

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387BC	#FFFFFF	#000000	##000000
##3387BC	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E87BE

Deuteranopia (green-blind)

#5C7ABB

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3387bc;
/* rgb */ color: rgb(51, 135, 188);
/* oklch */ color: oklch(59.7% 0.113 240.5);

Tailwind

colors: {
  custom: {
    50: '#7ca9d0',
    500: '#3387bc',
    950: '#000000',
  },
}

SCSS

$custom: #3387bc;
$custom-light: #7ca9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3387bc",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 188
  },
  "hsl": {
    "h": 203.212,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59686,
    "c": 0.11346,
    "h": 240.5
  },
  "luminance": 0.21663
}

Semantic roles & 50–950 ramp

primary

#3387BC

secondary

#C99D81

accent

#8347E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3387BC

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

Preview Lab → · Contrast checker → · Palette generator →