#3387AB#3387AB

#3387AB is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.8% C 0.096 H 230.1°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3387AB
RGB	rgb(51, 135, 171)
HSL	hsl(198, 54%, 44%)
HSV	hsv(198, 70%, 67%)
CMYK	cmyk(70.2%, 21.1%, 0%, 32.9%)
CIE-LAB	lab(52.92, -13.27, -26.36)
CIE-LCH	lch(52.92, 29.52, 243.27°)
OKLab	oklab(58.84% -0.0619 -0.0739)
OKLCH	oklch(58.84% 0.096 230.1)
XYZ	xyz(17.3770, 20.9701, 41.6520)
Luminance	0.2097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387AB #AB5733

analogous

#33AB93 #3387AB #334BAB

triadic

#3387AB #AB3387 #87AB33

tetradic

#3387AB #9333AB #AB5733 #4BAB33

square

#3387AB #9333AB #AB5733 #4BAB33

split-complementary

#3387AB #AB334B #AB9333

monochromatic

#173D4D #25627C #3387AB #50A6CB #7FBED9

Accessibility & contrast

On white

4.04

#3387AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#3387AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387AB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387AB	#FFFFFF	#000000	##000000
##3387AB	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7585AD

Deuteranopia (green-blind)

#6479AA

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3387ab;
/* rgb */ color: rgb(51, 135, 171);
/* oklch */ color: oklch(58.8% 0.096 230.1);

Tailwind

colors: {
  custom: {
    50: '#7aaac4',
    500: '#3387ab',
    950: '#000000',
  },
}

SCSS

$custom: #3387ab;
$custom-light: #7aaac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3387ab",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 171
  },
  "hsl": {
    "h": 198,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.58844,
    "c": 0.0964,
    "h": 230.1
  },
  "luminance": 0.20972
}

Semantic roles & 50–950 ramp

primary

#3387AB

secondary

#C28E78

accent

#764ADD

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3387AB

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

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