#3389B5#3389B5

#3389B5 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.8% C 0.105 H 234.9°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3389B5
RGB	rgb(51, 137, 181)
HSL	hsl(200, 56%, 45%)
HSV	hsv(200, 72%, 71%)
CMYK	cmyk(71.8%, 24.3%, 0%, 29%)
CIE-LAB	lab(53.95, -10.98, -30.50)
CIE-LCH	lch(53.95, 32.41, 250.20°)
OKLab	oklab(59.81% -0.0603 -0.0858)
OKLCH	oklch(59.81% 0.105 234.9)
XYZ	xyz(18.6481, 21.9292, 46.9571)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3389B5 #B55F33

analogous

#33B5A0 #3389B5 #3348B5

triadic

#3389B5 #B53389 #89B533

tetradic

#3389B5 #A033B5 #B55F33 #48B533

square

#3389B5 #A033B5 #B55F33 #48B533

split-complementary

#3389B5 #B53348 #B5A033

monochromatic

#184156 #266585 #3389B5 #56A6CF #86BFDD

Accessibility & contrast

On white

3.90

#3389B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#3389B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389B5

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3389B5	#FFFFFF	#000000	##000000
##3389B5	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)

#7488B7

Deuteranopia (green-blind)

#627BB4

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3389b5;
/* rgb */ color: rgb(51, 137, 181);
/* oklch */ color: oklch(59.8% 0.105 234.9);

Tailwind

colors: {
  custom: {
    50: '#7babcb',
    500: '#3389b5',
    950: '#000000',
  },
}

SCSS

$custom: #3389b5;
$custom-light: #7babcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3389b5",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 181
  },
  "hsl": {
    "h": 200.308,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5981,
    "c": 0.10488,
    "h": 234.9
  },
  "luminance": 0.21931
}

Semantic roles & 50–950 ramp

primary

#3389B5

secondary

#C6967D

accent

#7C48DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3389B5

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

Preview Lab → · Contrast checker → · Palette generator →