#3388BD#3388BD

#3388BD is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 60.0% C 0.114 H 240.2°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3388BD
RGB	rgb(51, 136, 189)
HSL	hsl(203, 58%, 47%)
HSV	hsv(203, 73%, 74%)
CMYK	cmyk(73%, 28%, 0%, 25.9%)
CIE-LAB	lab(54.01, -7.62, -34.98)
CIE-LCH	lch(54.01, 35.80, 257.70°)
OKLab	oklab(59.98% -0.0566 -0.0988)
OKLCH	oklch(59.98% 0.114 240.2)
XYZ	xyz(19.3511, 21.9840, 51.3577)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3388BD #BD6833

analogous

#33BDAD #3388BD #3343BD

triadic

#3388BD #BD3388 #88BD33

tetradic

#3388BD #AD33BD #BD6833 #43BD33

square

#3388BD #AD33BD #BD6833 #43BD33

split-complementary

#3388BD #BD3343 #BDAD33

monochromatic

#19435D #26658D #3388BD #5BA5D3 #8BBFE0

Accessibility & contrast

On white

3.89

#3388BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#3388BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388BD

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3388BD	#FFFFFF	#000000	##000000
##3388BD	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F88BF

Deuteranopia (green-blind)

#5C7BBC

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3388bd;
/* rgb */ color: rgb(51, 136, 189);
/* oklch */ color: oklch(60.0% 0.114 240.2);

Tailwind

colors: {
  custom: {
    50: '#7daad1',
    500: '#3388bd',
    950: '#000000',
  },
}

SCSS

$custom: #3388bd;
$custom-light: #7daad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3388bd",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 189
  },
  "hsl": {
    "h": 203.043,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.59975,
    "c": 0.11386,
    "h": 240.2
  },
  "luminance": 0.21986
}

Semantic roles & 50–950 ramp

primary

#3388BD

secondary

#CA9E82

accent

#8247E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3388BD

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

Preview Lab → · Contrast checker → · Palette generator →