#3388BC#3388BC

#3388BC is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.9% C 0.113 H 239.7°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3388BC
RGB	rgb(51, 136, 188)
HSL	hsl(203, 57%, 47%)
HSV	hsv(203, 73%, 74%)
CMYK	cmyk(72.9%, 27.7%, 0%, 26.3%)
CIE-LAB	lab(53.96, -7.97, -34.48)
CIE-LCH	lch(53.96, 35.39, 256.98°)
OKLab	oklab(59.92% -0.0569 -0.0973)
OKLCH	oklch(59.92% 0.113 239.7)
XYZ	xyz(19.2430, 21.9408, 50.7880)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3388BC #BC6733

analogous

#33BCAC #3388BC #3343BC

triadic

#3388BC #BC3388 #88BC33

tetradic

#3388BC #AC33BC #BC6733 #43BC33

square

#3388BC #AC33BC #BC6733 #43BC33

split-complementary

#3388BC #BC3343 #BCAC33

monochromatic

#19425C #26658C #3388BC #5AA5D2 #8ABFDF

Accessibility & contrast

On white

3.90

#3388BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#3388BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388BC

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3388BC	#FFFFFF	#000000	##000000
##3388BC	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7088BE

Deuteranopia (green-blind)

#5D7BBB

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3388bc;
/* rgb */ color: rgb(51, 136, 188);
/* oklch */ color: oklch(59.9% 0.113 239.7);

Tailwind

colors: {
  custom: {
    50: '#7caad0',
    500: '#3388bc',
    950: '#000000',
  },
}

SCSS

$custom: #3388bc;
$custom-light: #7caad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3388bc",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 188
  },
  "hsl": {
    "h": 202.774,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59923,
    "c": 0.11277,
    "h": 239.7
  },
  "luminance": 0.21943
}

Semantic roles & 50–950 ramp

primary

#3388BC

secondary

#C99D81

accent

#8147E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3388BC

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

Preview Lab → · Contrast checker → · Palette generator →