#3389B3#3389B3

#3389B3 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.7% C 0.103 H 233.6°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3389B3
RGB	rgb(51, 137, 179)
HSL	hsl(200, 56%, 45%)
HSV	hsv(200, 72%, 70%)
CMYK	cmyk(71.5%, 23.5%, 0%, 29.8%)
CIE-LAB	lab(53.87, -11.67, -29.49)
CIE-LCH	lch(53.87, 31.71, 248.41°)
OKLab	oklab(59.71% -0.061 -0.0829)
OKLCH	oklch(59.71% 0.103 233.6)
XYZ	xyz(18.4444, 21.8477, 45.8840)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3389B3 #B35D33

analogous

#33B39D #3389B3 #3349B3

triadic

#3389B3 #B33389 #89B333

tetradic

#3389B3 #9D33B3 #B35D33 #49B333

square

#3389B3 #9D33B3 #B35D33 #49B333

split-complementary

#3389B3 #B33349 #B39D33

monochromatic

#184054 #256583 #3389B3 #55A7CE #84BFDC

Accessibility & contrast

On white

3.91

#3389B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#3389B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389B3

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3389B3	#FFFFFF	#000000	##000000
##3389B3	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7488B5

Deuteranopia (green-blind)

#637BB2

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3389b3;
/* rgb */ color: rgb(51, 137, 179);
/* oklch */ color: oklch(59.7% 0.103 233.6);

Tailwind

colors: {
  custom: {
    50: '#7babca',
    500: '#3389b3',
    950: '#000000',
  },
}

SCSS

$custom: #3389b3;
$custom-light: #7babca;
$custom-dark: #000000;

JSON

{
  "hex": "#3389b3",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 179
  },
  "hsl": {
    "h": 199.688,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59713,
    "c": 0.10293,
    "h": 233.6
  },
  "luminance": 0.2185
}

Semantic roles & 50–950 ramp

primary

#3389B3

secondary

#C6947C

accent

#7A49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3389B3

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

Preview Lab → · Contrast checker → · Palette generator →