#3388B2#3388B2

#3388B2 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.4% C 0.102 H 233.9°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3388B2
RGB	rgb(51, 136, 178)
HSL	hsl(200, 55%, 45%)
HSV	hsv(200, 71%, 70%)
CMYK	cmyk(71.3%, 23.6%, 0%, 30.2%)
CIE-LAB	lab(53.52, -11.45, -29.45)
CIE-LCH	lch(53.52, 31.60, 248.76°)
OKLab	oklab(59.42% -0.0603 -0.0828)
OKLCH	oklch(59.42% 0.102 233.9)
XYZ	xyz(18.2021, 21.5244, 45.3062)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3388B2 #B25D33

analogous

#33B29D #3388B2 #3348B2

triadic

#3388B2 #B23388 #88B233

tetradic

#3388B2 #9D33B2 #B25D33 #48B233

square

#3388B2 #9D33B2 #B25D33 #48B233

split-complementary

#3388B2 #B23348 #B29D33

monochromatic

#183F53 #256482 #3388B2 #54A6CE #84BFDC

Accessibility & contrast

On white

3.96

#3388B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3388B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388B2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3388B2	#FFFFFF	#000000	##000000
##3388B2	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B4

Deuteranopia (green-blind)

#627AB1

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3388b2;
/* rgb */ color: rgb(51, 136, 178);
/* oklch */ color: oklch(59.4% 0.102 233.9);

Tailwind

colors: {
  custom: {
    50: '#7baac9',
    500: '#3388b2',
    950: '#000000',
  },
}

SCSS

$custom: #3388b2;
$custom-light: #7baac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3388b2",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 178
  },
  "hsl": {
    "h": 199.843,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59423,
    "c": 0.10247,
    "h": 233.9
  },
  "luminance": 0.21526
}

Semantic roles & 50–950 ramp

primary

#3388B2

secondary

#C5947C

accent

#7B49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3388B2

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

Preview Lab → · Contrast checker → · Palette generator →