#3388AA#3388AA

#3388AA is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.0% C 0.095 H 228.3°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3388AA
RGB	rgb(51, 136, 170)
HSL	hsl(197, 54%, 43%)
HSV	hsv(197, 70%, 67%)
CMYK	cmyk(70%, 20%, 0%, 33.3%)
CIE-LAB	lab(53.18, -14.17, -25.38)
CIE-LCH	lch(53.18, 29.07, 240.82°)
OKLab	oklab(59.04% -0.0633 -0.0711)
OKLCH	oklch(59.04% 0.095 228.3)
XYZ	xyz(17.4222, 21.2125, 41.1986)
Luminance	0.2121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3388AA #AA5533

analogous

#33AA90 #3388AA #334CAA

triadic

#3388AA #AA3388 #88AA33

tetradic

#3388AA #9033AA #AA5533 #4CAA33

square

#3388AA #9033AA #AA5533 #4CAA33

split-complementary

#3388AA #AA334C #AA9033

monochromatic

#173D4C #25627B #3388AA #50A7CA #7FBFD9

Accessibility & contrast

On white

4.01

#3388AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3388AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388AA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3388AA	#FFFFFF	#000000	##000000
##3388AA	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7686AC

Deuteranopia (green-blind)

#667AAA

Tritanopia (blue-blind)

#009293

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3388aa;
/* rgb */ color: rgb(51, 136, 170);
/* oklch */ color: oklch(59.0% 0.095 228.3);

Tailwind

colors: {
  custom: {
    50: '#7aaac3',
    500: '#3388aa',
    950: '#000000',
  },
}

SCSS

$custom: #3388aa;
$custom-light: #7aaac3;
$custom-dark: #000000;

JSON

{
  "hex": "#3388aa",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 170
  },
  "hsl": {
    "h": 197.143,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.59042,
    "c": 0.09518,
    "h": 228.3
  },
  "luminance": 0.21214
}

Semantic roles & 50–950 ramp

primary

#3388AA

secondary

#C28C77

accent

#744BDD

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3388AA

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

Preview Lab → · Contrast checker → · Palette generator →