#3387AA#3387AA

#3387AA is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.8% C 0.096 H 229.3°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3387AA
RGB	rgb(51, 135, 170)
HSL	hsl(198, 54%, 43%)
HSV	hsv(198, 70%, 67%)
CMYK	cmyk(70%, 20.6%, 0%, 33.3%)
CIE-LAB	lab(52.88, -13.61, -25.85)
CIE-LCH	lch(52.88, 29.22, 242.23°)
OKLab	oklab(58.8% -0.0622 -0.0725)
OKLCH	oklch(58.8% 0.096 229.3)
XYZ	xyz(17.2820, 20.9321, 41.1519)
Luminance	0.2093 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3387AA #AA5633

analogous

#33AA91 #3387AA #334BAA

triadic

#3387AA #AA3387 #87AA33

tetradic

#3387AA #9133AA #AA5633 #4BAA33

square

#3387AA #9133AA #AA5633 #4BAA33

split-complementary

#3387AA #AA334B #AA9133

monochromatic

#173C4C #25627B #3387AA #50A6CA #7FBED9

Accessibility & contrast

On white

4.05

#3387AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#3387AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387AA

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3387AA	#FFFFFF	#000000	##000000
##3387AA	1.00	4.05	5.19	5.19
#FFFFFF	4.05	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)

#7585AC

Deuteranopia (green-blind)

#6579AA

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3387aa;
/* rgb */ color: rgb(51, 135, 170);
/* oklch */ color: oklch(58.8% 0.096 229.3);

Tailwind

colors: {
  custom: {
    50: '#7aaac3',
    500: '#3387aa',
    950: '#000000',
  },
}

SCSS

$custom: #3387aa;
$custom-light: #7aaac3;
$custom-dark: #000000;

JSON

{
  "hex": "#3387aa",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 170
  },
  "hsl": {
    "h": 197.647,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.58798,
    "c": 0.09552,
    "h": 229.3
  },
  "luminance": 0.20934
}

Semantic roles & 50–950 ramp

primary

#3387AA

secondary

#C28D77

accent

#764BDD

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3387AA

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

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