#3387B4#3387B4

#3387B4 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.3% C 0.105 H 236.0°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3387B4
RGB	rgb(51, 135, 180)
HSL	hsl(201, 56%, 45%)
HSV	hsv(201, 72%, 71%)
CMYK	cmyk(71.7%, 25%, 0%, 29.4%)
CIE-LAB	lab(53.30, -10.19, -30.93)
CIE-LCH	lch(53.30, 32.57, 251.77°)
OKLab	oklab(59.28% -0.0586 -0.0871)
OKLCH	oklch(59.28% 0.105 236)
XYZ	xyz(18.2642, 21.3250, 46.3247)
Luminance	0.2133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387B4 #B46033

analogous

#33B4A0 #3387B4 #3347B4

triadic

#3387B4 #B43387 #87B433

tetradic

#3387B4 #A033B4 #B46033 #47B433

square

#3387B4 #A033B4 #B46033 #47B433

split-complementary

#3387B4 #B43347 #B4A033

monochromatic

#183F55 #256384 #3387B4 #55A4CF #85BEDC

Accessibility & contrast

On white

3.99

#3387B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3387B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387B4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387B4	#FFFFFF	#000000	##000000
##3387B4	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7186B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3387b4;
/* rgb */ color: rgb(51, 135, 180);
/* oklch */ color: oklch(59.3% 0.105 236.0);

Tailwind

colors: {
  custom: {
    50: '#7ba9ca',
    500: '#3387b4',
    950: '#000000',
  },
}

SCSS

$custom: #3387b4;
$custom-light: #7ba9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3387b4",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 180
  },
  "hsl": {
    "h": 200.93,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5928,
    "c": 0.10499,
    "h": 236
  },
  "luminance": 0.21327
}

Semantic roles & 50–950 ramp

primary

#3387B4

secondary

#C6967D

accent

#7D49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3387B4

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

Preview Lab → · Contrast checker → · Palette generator →