#3387B3#3387B3

#3387B3 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.2% C 0.104 H 235.4°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3387B3
RGB	rgb(51, 135, 179)
HSL	hsl(201, 56%, 45%)
HSV	hsv(201, 72%, 70%)
CMYK	cmyk(71.5%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(53.26, -10.54, -30.43)
CIE-LCH	lch(53.26, 32.20, 250.90°)
OKLab	oklab(59.23% -0.059 -0.0856)
OKLCH	oklch(59.23% 0.104 235.4)
XYZ	xyz(18.1627, 21.2844, 45.7902)
Luminance	0.2129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387B3 #B35F33

analogous

#33B39F #3387B3 #3347B3

triadic

#3387B3 #B33387 #87B333

tetradic

#3387B3 #9F33B3 #B35F33 #47B333

square

#3387B3 #9F33B3 #B35F33 #47B333

split-complementary

#3387B3 #B33347 #B39F33

monochromatic

#183F54 #256383 #3387B3 #55A5CE #84BEDC

Accessibility & contrast

On white

3.99

#3387B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3387B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387B3

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387B3	#FFFFFF	#000000	##000000
##3387B3	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B5

Deuteranopia (green-blind)

#607AB2

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3387b3;
/* rgb */ color: rgb(51, 135, 179);
/* oklch */ color: oklch(59.2% 0.104 235.4);

Tailwind

colors: {
  custom: {
    50: '#7ba9ca',
    500: '#3387b3',
    950: '#000000',
  },
}

SCSS

$custom: #3387b3;
$custom-light: #7ba9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3387b3",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 200.625,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59231,
    "c": 0.10398,
    "h": 235.4
  },
  "luminance": 0.21286
}

Semantic roles & 50–950 ramp

primary

#3387B3

secondary

#C6957C

accent

#7C49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3387B3

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

Preview Lab → · Contrast checker → · Palette generator →