#3389B4#3389B4

#3389B4 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.8% C 0.104 H 234.3°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3389B4
RGB	rgb(51, 137, 180)
HSL	hsl(200, 56%, 45%)
HSV	hsv(200, 72%, 71%)
CMYK	cmyk(71.7%, 23.9%, 0%, 29.4%)
CIE-LAB	lab(53.91, -11.32, -29.99)
CIE-LCH	lch(53.91, 32.06, 249.32°)
OKLab	oklab(59.76% -0.0606 -0.0844)
OKLCH	oklch(59.76% 0.104 234.3)
XYZ	xyz(18.5459, 21.8883, 46.4186)
Luminance	0.2189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3389B4 #B45E33

analogous

#33B49E #3389B4 #3348B4

triadic

#3389B4 #B43389 #89B433

tetradic

#3389B4 #9E33B4 #B45E33 #48B433

square

#3389B4 #9E33B4 #B45E33 #48B433

split-complementary

#3389B4 #B43348 #B49E33

monochromatic

#184055 #256584 #3389B4 #55A6CF #85BFDC

Accessibility & contrast

On white

3.90

#3389B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#3389B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389B4

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3389B4	#FFFFFF	#000000	##000000
##3389B4	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7488B6

Deuteranopia (green-blind)

#627BB3

Tritanopia (blue-blind)

#009498

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3389b4;
/* rgb */ color: rgb(51, 137, 180);
/* oklch */ color: oklch(59.8% 0.104 234.3);

Tailwind

colors: {
  custom: {
    50: '#7babca',
    500: '#3389b4',
    950: '#000000',
  },
}

SCSS

$custom: #3389b4;
$custom-light: #7babca;
$custom-dark: #000000;

JSON

{
  "hex": "#3389b4",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 180
  },
  "hsl": {
    "h": 200,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.59761,
    "c": 0.1039,
    "h": 234.3
  },
  "luminance": 0.2189
}

Semantic roles & 50–950 ramp

primary

#3389B4

secondary

#C6957D

accent

#7B49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3389B4

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

Preview Lab → · Contrast checker → · Palette generator →