#3899BB#3899BB

#3899BB is a light, moderate cyan. Relative luminance 0.272; OKLCH L 64.1% C 0.102 H 225.2°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3899BB
RGB	rgb(56, 153, 187)
HSL	hsl(196, 54%, 48%)
HSV	hsv(196, 70%, 73%)
CMYK	cmyk(70.1%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.17, -17.06, -25.82)
CIE-LCH	lch(59.17, 30.95, 236.56°)
OKLab	oklab(64.09% -0.0716 -0.0722)
OKLCH	oklch(64.09% 0.102 225.2)
XYZ	xyz(21.9881, 27.2086, 51.0970)
Luminance	0.2721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3899BB #BB5A38

analogous

#38BB9C #3899BB #3857BB

triadic

#3899BB #BB3899 #99BB38

tetradic

#3899BB #9C38BB #BB5A38 #57BB38

square

#3899BB #9C38BB #BB5A38 #57BB38

split-complementary

#3899BB #BB3857 #BB9C38

monochromatic

#1C4C5D #2A728C #3899BB #61B3D0 #90C9DE

Accessibility & contrast

On white

3.26

#3899BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#3899BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3899BB

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3899BB	#FFFFFF	#000000	##000000
##3899BB	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8696BD

Deuteranopia (green-blind)

#7489BB

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3899bb;
/* rgb */ color: rgb(56, 153, 187);
/* oklch */ color: oklch(64.1% 0.102 225.2);

Tailwind

colors: {
  custom: {
    50: '#7fb7cf',
    500: '#3899bb',
    950: '#000000',
  },
}

SCSS

$custom: #3899bb;
$custom-light: #7fb7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3899bb",
  "rgb": {
    "r": 56,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 195.573,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64093,
    "c": 0.10175,
    "h": 225.2
  },
  "luminance": 0.27211
}

Semantic roles & 50–950 ramp

primary

#3899BB

secondary

#C89886

accent

#714BDD

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3899BB

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

Preview Lab → · Contrast checker → · Palette generator →