#3389B0#3389B0

#3389B0 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.6% C 0.100 H 231.7°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3389B0
RGB	rgb(51, 137, 176)
HSL	hsl(199, 55%, 45%)
HSV	hsv(199, 71%, 69%)
CMYK	cmyk(71%, 22.2%, 0%, 31%)
CIE-LAB	lab(53.74, -12.69, -27.97)
CIE-LCH	lch(53.74, 30.71, 245.59°)
OKLab	oklab(59.57% -0.0621 -0.0785)
OKLCH	oklch(59.57% 0.1 231.7)
XYZ	xyz(18.1442, 21.7277, 44.3035)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3389B0 #B05A33

analogous

#33B099 #3389B0 #334BB0

triadic

#3389B0 #B03389 #89B033

tetradic

#3389B0 #9933B0 #B05A33 #4BB033

square

#3389B0 #9933B0 #B05A33 #4BB033

split-complementary

#3389B0 #B0334B #B09933

monochromatic

#183F51 #256481 #3389B0 #53A7CD #82BFDB

Accessibility & contrast

On white

3.93

#3389B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3389B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389B0

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3389B0	#FFFFFF	#000000	##000000
##3389B0	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7587B2

Deuteranopia (green-blind)

#647BAF

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3389b0;
/* rgb */ color: rgb(51, 137, 176);
/* oklch */ color: oklch(59.6% 0.100 231.7);

Tailwind

colors: {
  custom: {
    50: '#7babc7',
    500: '#3389b0',
    950: '#000000',
  },
}

SCSS

$custom: #3389b0;
$custom-light: #7babc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3389b0",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 176
  },
  "hsl": {
    "h": 198.72,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.59568,
    "c": 0.1001,
    "h": 231.7
  },
  "luminance": 0.2173
}

Semantic roles & 50–950 ramp

primary

#3389B0

secondary

#C4927B

accent

#7849DE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3389B0

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

Preview Lab → · Contrast checker → · Palette generator →