#3899CB#3899CB

#3899CB is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.8% C 0.116 H 235.3°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3899CB
RGB	rgb(56, 153, 203)
HSL	hsl(200, 59%, 51%)
HSV	hsv(200, 72%, 80%)
CMYK	cmyk(72.4%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(59.83, -11.71, -33.80)
CIE-LCH	lch(59.83, 35.77, 250.90°)
OKLab	oklab(64.84% -0.0659 -0.0952)
OKLCH	oklch(64.84% 0.116 235.3)
XYZ	xyz(23.7973, 27.9323, 60.6256)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3899CB #CB6A38

analogous

#38CBB3 #3899CB #384FCB

triadic

#3899CB #CB3899 #99CB38

tetradic

#3899CB #B338CB #CB6A38 #4FCB38

square

#3899CB #B338CB #CB6A38 #4FCB38

split-complementary

#3899CB #CB384F #CBB338

monochromatic

#1C516C #29759D #3899CB #69B2D8 #99CBE4

Accessibility & contrast

On white

3.19

#3899CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#3899CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3899CB

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3899CB	#FFFFFF	#000000	##000000
##3899CB	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CD

Deuteranopia (green-blind)

#6D8ACA

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3899cb;
/* rgb */ color: rgb(56, 153, 203);
/* oklch */ color: oklch(64.8% 0.116 235.3);

Tailwind

colors: {
  custom: {
    50: '#81b7db',
    500: '#3899cb',
    950: '#000000',
  },
}

SCSS

$custom: #3899cb;
$custom-light: #81b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#3899cb",
  "rgb": {
    "r": 56,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 200.408,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.64838,
    "c": 0.11576,
    "h": 235.3
  },
  "luminance": 0.27935
}

Semantic roles & 50–950 ramp

primary

#3899CB

secondary

#D0A58F

accent

#7B46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3899CB

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

Preview Lab → · Contrast checker → · Palette generator →