#3899B8#3899B8

#3899B8 is a light, moderate cyan. Relative luminance 0.271; OKLCH L 64.0% C 0.100 H 223.0°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#3899B8
RGB	rgb(56, 153, 184)
HSL	hsl(195, 53%, 47%)
HSV	hsv(195, 70%, 72%)
CMYK	cmyk(69.6%, 16.8%, 0%, 27.8%)
CIE-LAB	lab(59.05, -18.04, -24.31)
CIE-LCH	lch(59.05, 30.27, 233.43°)
OKLab	oklab(63.96% -0.0728 -0.0679)
OKLCH	oklch(63.96% 0.1 223)
XYZ	xyz(21.6703, 27.0815, 49.4233)
Luminance	0.2708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3899B8 #B85738

analogous

#38B897 #3899B8 #3859B8

triadic

#3899B8 #B83899 #99B838

tetradic

#3899B8 #9738B8 #B85738 #59B838

square

#3899B8 #9738B8 #B85738 #59B838

split-complementary

#3899B8 #B83859 #B89738

monochromatic

#1B4B5A #2A7289 #3899B8 #5FB3CE #8EC9DD

Accessibility & contrast

On white

3.27

#3899B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#3899B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3899B8

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3899B8	#FFFFFF	#000000	##000000
##3899B8	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8795BA

Deuteranopia (green-blind)

#7588B8

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3899b8;
/* rgb */ color: rgb(56, 153, 184);
/* oklch */ color: oklch(64.0% 0.100 223.0);

Tailwind

colors: {
  custom: {
    50: '#7fb7cd',
    500: '#3899b8',
    950: '#000000',
  },
}

SCSS

$custom: #3899b8;
$custom-light: #7fb7cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3899b8",
  "rgb": {
    "r": 56,
    "g": 153,
    "b": 184
  },
  "hsl": {
    "h": 194.531,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.6396,
    "c": 0.09957,
    "h": 223
  },
  "luminance": 0.27084
}

Semantic roles & 50–950 ramp

primary

#3899B8

secondary

#C79585

accent

#6E4BDD

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3899B8

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

Preview Lab → · Contrast checker → · Palette generator →