#3899BF#3899BF

#3899BF is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.105 H 228.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3899BF
RGB	rgb(56, 153, 191)
HSL	hsl(197, 55%, 48%)
HSV	hsv(197, 71%, 75%)
CMYK	cmyk(70.7%, 19.9%, 0%, 25.1%)
CIE-LAB	lab(59.33, -15.74, -27.83)
CIE-LCH	lch(59.33, 31.97, 240.52°)
OKLab	oklab(64.27% -0.0702 -0.078)
OKLCH	oklch(64.27% 0.105 228)
XYZ	xyz(22.4223, 27.3823, 53.3837)
Luminance	0.2738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3899BF #BF5E38

analogous

#38BFA1 #3899BF #3855BF

triadic

#3899BF #BF3899 #99BF38

tetradic

#3899BF #A138BF #BF5E38 #55BF38

square

#3899BF #A138BF #BF5E38 #55BF38

split-complementary

#3899BF #BF3855 #BFA138

monochromatic

#1C4D60 #2A7390 #3899BF #63B2D1 #92C9DF

Accessibility & contrast

On white

3.24

#3899BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#3899BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3899BF

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3899BF	#FFFFFF	#000000	##000000
##3899BF	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8596C1

Deuteranopia (green-blind)

#7389BF

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3899bf;
/* rgb */ color: rgb(56, 153, 191);
/* oklch */ color: oklch(64.3% 0.105 228.0);

Tailwind

colors: {
  custom: {
    50: '#80b7d2',
    500: '#3899bf',
    950: '#000000',
  },
}

SCSS

$custom: #3899bf;
$custom-light: #80b7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3899bf",
  "rgb": {
    "r": 56,
    "g": 153,
    "b": 191
  },
  "hsl": {
    "h": 196.889,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64274,
    "c": 0.10491,
    "h": 228
  },
  "luminance": 0.27385
}

Semantic roles & 50–950 ramp

primary

#3899BF

secondary

#CA9B89

accent

#744ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3899BF

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

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