#3387B2#3387B2

#3387B2 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.2% C 0.103 H 234.8°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3387B2
RGB	rgb(51, 135, 178)
HSL	hsl(200, 55%, 45%)
HSV	hsv(200, 71%, 70%)
CMYK	cmyk(71.3%, 24.2%, 0%, 30.2%)
CIE-LAB	lab(53.22, -10.88, -29.92)
CIE-LCH	lch(53.22, 31.84, 250.01°)
OKLab	oklab(59.18% -0.0593 -0.0842)
OKLCH	oklch(59.18% 0.103 234.8)
XYZ	xyz(18.0619, 21.2441, 45.2595)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387B2 #B25E33

analogous

#33B29E #3387B2 #3347B2

triadic

#3387B2 #B23387 #87B233

tetradic

#3387B2 #9E33B2 #B25E33 #47B233

square

#3387B2 #9E33B2 #B25E33 #47B233

split-complementary

#3387B2 #B23347 #B29E33

monochromatic

#183F53 #256382 #3387B2 #54A5CE #84BEDC

Accessibility & contrast

On white

4.00

#3387B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3387B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387B2

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387B2	#FFFFFF	#000000	##000000
##3387B2	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B4

Deuteranopia (green-blind)

#617AB1

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3387b2;
/* rgb */ color: rgb(51, 135, 178);
/* oklch */ color: oklch(59.2% 0.103 234.8);

Tailwind

colors: {
  custom: {
    50: '#7ba9c9',
    500: '#3387b2',
    950: '#000000',
  },
}

SCSS

$custom: #3387b2;
$custom-light: #7ba9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3387b2",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 178
  },
  "hsl": {
    "h": 200.315,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59181,
    "c": 0.10298,
    "h": 234.8
  },
  "luminance": 0.21246
}

Semantic roles & 50–950 ramp

primary

#3387B2

secondary

#C5957C

accent

#7C49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3387B2

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

Preview Lab → · Contrast checker → · Palette generator →