#3889BF#3889BF

#3889BF is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.113 H 241.5°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3889BF
RGB	rgb(56, 137, 191)
HSL	hsl(204, 55%, 48%)
HSV	hsv(204, 71%, 75%)
CMYK	cmyk(70.7%, 28.3%, 0%, 25.1%)
CIE-LAB	lab(54.54, -6.79, -35.27)
CIE-LCH	lch(54.54, 35.92, 259.10°)
OKLab	oklab(60.47% -0.0541 -0.0996)
OKLCH	oklch(60.47% 0.113 241.5)
XYZ	xyz(19.9769, 22.4915, 52.5686)
Luminance	0.2249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3889BF #BF6E38

analogous

#38BFB1 #3889BF #3845BF

triadic

#3889BF #BF3889 #89BF38

tetradic

#3889BF #B138BF #BF6E38 #45BF38

square

#3889BF #B138BF #BF6E38 #45BF38

split-complementary

#3889BF #BF3845 #BFB138

monochromatic

#1C4560 #2A6790 #3889BF #63A5D1 #92C0DF

Accessibility & contrast

On white

3.82

#3889BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3889BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3889BF

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3889BF	#FFFFFF	#000000	##000000
##3889BF	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708AC1

Deuteranopia (green-blind)

#5E7DBE

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3889bf;
/* rgb */ color: rgb(56, 137, 191);
/* oklch */ color: oklch(60.5% 0.113 241.5);

Tailwind

colors: {
  custom: {
    50: '#7fabd2',
    500: '#3889bf',
    950: '#000000',
  },
}

SCSS

$custom: #3889bf;
$custom-light: #7fabd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3889bf",
  "rgb": {
    "r": 56,
    "g": 137,
    "b": 191
  },
  "hsl": {
    "h": 204,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60469,
    "c": 0.11333,
    "h": 241.5
  },
  "luminance": 0.22494
}

Semantic roles & 50–950 ramp

primary

#3889BF

secondary

#CAA389

accent

#854ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3889BF

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

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