#3889BC#3889BC

#3889BC is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.3% C 0.110 H 240.0°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3889BC
RGB	rgb(56, 137, 188)
HSL	hsl(203, 54%, 48%)
HSV	hsv(203, 70%, 74%)
CMYK	cmyk(70.2%, 27.1%, 0%, 26.3%)
CIE-LAB	lab(54.41, -7.83, -33.77)
CIE-LCH	lch(54.41, 34.67, 256.95°)
OKLab	oklab(60.32% -0.0551 -0.0952)
OKLCH	oklch(60.32% 0.11 240)
XYZ	xyz(19.6501, 22.3607, 50.8477)
Luminance	0.2236 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3889BC #BC6B38

analogous

#38BCAD #3889BC #3847BC

triadic

#3889BC #BC3889 #89BC38

tetradic

#3889BC #AD38BC #BC6B38 #47BC38

square

#3889BC #AD38BC #BC6B38 #47BC38

split-complementary

#3889BC #BC3847 #BCAD38

monochromatic

#1C445E #2A678D #3889BC #61A5D0 #90C0DE

Accessibility & contrast

On white

3.84

#3889BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#3889BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3889BC

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3889BC	#FFFFFF	#000000	##000000
##3889BC	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BE

Deuteranopia (green-blind)

#5F7CBB

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3889bc;
/* rgb */ color: rgb(56, 137, 188);
/* oklch */ color: oklch(60.3% 0.110 240.0);

Tailwind

colors: {
  custom: {
    50: '#7eabd0',
    500: '#3889bc',
    950: '#000000',
  },
}

SCSS

$custom: #3889bc;
$custom-light: #7eabd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3889bc",
  "rgb": {
    "r": 56,
    "g": 137,
    "b": 188
  },
  "hsl": {
    "h": 203.182,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.60316,
    "c": 0.11003,
    "h": 240
  },
  "luminance": 0.22363
}

Semantic roles & 50–950 ramp

primary

#3889BC

secondary

#C9A087

accent

#834ADD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3889BC

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

Preview Lab → · Contrast checker → · Palette generator →