#3389B1#3389B1

#3389B1 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.6% C 0.101 H 232.3°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3389B1
RGB	rgb(51, 137, 177)
HSL	hsl(199, 55%, 45%)
HSV	hsv(199, 71%, 69%)
CMYK	cmyk(71.2%, 22.6%, 0%, 30.6%)
CIE-LAB	lab(53.78, -12.35, -28.47)
CIE-LCH	lch(53.78, 31.04, 246.55°)
OKLab	oklab(59.62% -0.0617 -0.08)
OKLCH	oklch(59.62% 0.101 232.3)
XYZ	xyz(18.2436, 21.7674, 44.8265)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3389B1 #B15B33

analogous

#33B19A #3389B1 #334AB1

triadic

#3389B1 #B13389 #89B133

tetradic

#3389B1 #9A33B1 #B15B33 #4AB133

square

#3389B1 #9A33B1 #B15B33 #4AB133

split-complementary

#3389B1 #B1334A #B19A33

monochromatic

#183F52 #256481 #3389B1 #54A7CE #83BFDB

Accessibility & contrast

On white

3.92

#3389B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3389B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389B1

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3389B1	#FFFFFF	#000000	##000000
##3389B1	1.00	3.92	5.35	5.35
#FFFFFF	3.92	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)

#7587B3

Deuteranopia (green-blind)

#647BB0

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3389b1;
/* rgb */ color: rgb(51, 137, 177);
/* oklch */ color: oklch(59.6% 0.101 232.3);

Tailwind

colors: {
  custom: {
    50: '#7babc8',
    500: '#3389b1',
    950: '#000000',
  },
}

SCSS

$custom: #3389b1;
$custom-light: #7babc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3389b1",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 177
  },
  "hsl": {
    "h": 199.048,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59616,
    "c": 0.10103,
    "h": 232.3
  },
  "luminance": 0.21769
}

Semantic roles & 50–950 ramp

primary

#3389B1

secondary

#C5927B

accent

#7949DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3389B1

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

Preview Lab → · Contrast checker → · Palette generator →