#3899B7#3899B7

#3899B7 is a light, moderate cyan. Relative luminance 0.270; OKLCH L 63.9% C 0.099 H 222.2°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3899B7
RGB	rgb(56, 153, 183)
HSL	hsl(194, 53%, 47%)
HSV	hsv(194, 69%, 72%)
CMYK	cmyk(69.4%, 16.4%, 0%, 28.2%)
CIE-LAB	lab(59.01, -18.36, -23.80)
CIE-LCH	lch(59.01, 30.06, 232.35°)
OKLab	oklab(63.92% -0.0732 -0.0665)
OKLCH	oklch(63.92% 0.099 222.2)
XYZ	xyz(21.5659, 27.0397, 48.8732)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3899B7 #B75638

analogous

#38B796 #3899B7 #385AB7

triadic

#3899B7 #B73899 #99B738

tetradic

#3899B7 #9638B7 #B75638 #5AB738

square

#3899B7 #9638B7 #B75638 #5AB738

split-complementary

#3899B7 #B7385A #B79638

monochromatic

#1B4B59 #2A7288 #3899B7 #5EB4CE #8DCADC

Accessibility & contrast

On white

3.28

#3899B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#3899B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3899B7

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3899B7	#FFFFFF	#000000	##000000
##3899B7	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8895B9

Deuteranopia (green-blind)

#7688B7

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3899b7;
/* rgb */ color: rgb(56, 153, 183);
/* oklch */ color: oklch(63.9% 0.099 222.2);

Tailwind

colors: {
  custom: {
    50: '#7fb7cc',
    500: '#3899b7',
    950: '#000000',
  },
}

SCSS

$custom: #3899b7;
$custom-light: #7fb7cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3899b7",
  "rgb": {
    "r": 56,
    "g": 153,
    "b": 183
  },
  "hsl": {
    "h": 194.173,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.63917,
    "c": 0.09888,
    "h": 222.2
  },
  "luminance": 0.27042
}

Semantic roles & 50–950 ramp

primary

#3899B7

secondary

#C79484

accent

#6E4BDD

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3899B7

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

Preview Lab → · Contrast checker → · Palette generator →