#3387BD#3387BD

#3387BD is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.7% C 0.115 H 241.0°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3387BD
RGB	rgb(51, 135, 189)
HSL	hsl(203, 58%, 47%)
HSV	hsv(203, 73%, 74%)
CMYK	cmyk(73%, 28.6%, 0%, 25.9%)
CIE-LAB	lab(53.71, -7.05, -35.45)
CIE-LCH	lch(53.71, 36.14, 258.75°)
OKLab	oklab(59.74% -0.0556 -0.1002)
OKLCH	oklch(59.74% 0.115 241)
XYZ	xyz(19.2109, 21.7037, 51.3110)
Luminance	0.2171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387BD #BD6933

analogous

#33BDAE #3387BD #3342BD

triadic

#3387BD #BD3387 #87BD33

tetradic

#3387BD #AE33BD #BD6933 #42BD33

square

#3387BD #AE33BD #BD6933 #42BD33

split-complementary

#3387BD #BD3342 #BDAE33

monochromatic

#19425D #26658D #3387BD #5BA4D3 #8BBEE0

Accessibility & contrast

On white

3.93

#3387BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3387BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387BD

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387BD	#FFFFFF	#000000	##000000
##3387BD	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E88BF

Deuteranopia (green-blind)

#5B7ABC

Tritanopia (blue-blind)

#00949A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3387bd;
/* rgb */ color: rgb(51, 135, 189);
/* oklch */ color: oklch(59.7% 0.115 241.0);

Tailwind

colors: {
  custom: {
    50: '#7da9d1',
    500: '#3387bd',
    950: '#000000',
  },
}

SCSS

$custom: #3387bd;
$custom-light: #7da9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3387bd",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 189
  },
  "hsl": {
    "h": 203.478,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.59738,
    "c": 0.11457,
    "h": 241
  },
  "luminance": 0.21706
}

Semantic roles & 50–950 ramp

primary

#3387BD

secondary

#CA9E82

accent

#8347E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3387BD

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

Preview Lab → · Contrast checker → · Palette generator →