#3389B2#3389B2

#3389B2 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.7% C 0.102 H 233.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3389B2
RGB	rgb(51, 137, 178)
HSL	hsl(199, 55%, 45%)
HSV	hsv(199, 71%, 70%)
CMYK	cmyk(71.3%, 23%, 0%, 30.2%)
CIE-LAB	lab(53.82, -12.01, -28.98)
CIE-LCH	lch(53.82, 31.37, 247.49°)
OKLab	oklab(59.66% -0.0614 -0.0814)
OKLCH	oklch(59.66% 0.102 233)
XYZ	xyz(18.3436, 21.8074, 45.3533)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3389B2 #B25C33

analogous

#33B29C #3389B2 #3349B2

triadic

#3389B2 #B23389 #89B233

tetradic

#3389B2 #9C33B2 #B25C33 #49B233

square

#3389B2 #9C33B2 #B25C33 #49B233

split-complementary

#3389B2 #B23349 #B29C33

monochromatic

#184053 #256482 #3389B2 #54A7CE #84BFDC

Accessibility & contrast

On white

3.92

#3389B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3389B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389B2

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3389B2	#FFFFFF	#000000	##000000
##3389B2	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B4

Deuteranopia (green-blind)

#637BB1

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3389b2;
/* rgb */ color: rgb(51, 137, 178);
/* oklch */ color: oklch(59.7% 0.102 233.0);

Tailwind

colors: {
  custom: {
    50: '#7babc9',
    500: '#3389b2',
    950: '#000000',
  },
}

SCSS

$custom: #3389b2;
$custom-light: #7babc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3389b2",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 178
  },
  "hsl": {
    "h": 199.37,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59664,
    "c": 0.10197,
    "h": 233
  },
  "luminance": 0.21809
}

Semantic roles & 50–950 ramp

primary

#3389B2

secondary

#C5937C

accent

#7949DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3389B2

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

Preview Lab → · Contrast checker → · Palette generator →