#3F89DA#3F89DA

#3F89DA is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.2% C 0.143 H 252.9°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F89DA
RGB	rgb(63, 137, 218)
HSL	hsl(211, 68%, 55%)
HSV	hsv(211, 71%, 85%)
CMYK	cmyk(71.1%, 37.2%, 0%, 14.5%)
CIE-LAB	lab(56.10, 3.71, -48.07)
CIE-LCH	lch(56.10, 48.21, 274.41°)
OKLab	oklab(62.19% -0.0422 -0.1368)
OKLCH	oklch(62.19% 0.143 252.9)
XYZ	xyz(23.6457, 24.0075, 69.7038)
Luminance	0.2401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89DA #DA903F

analogous

#3FD6DA #3F89DA #423FDA

triadic

#3F89DA #DA3F89 #89DA3F

tetradic

#3F89DA #DA3FD6 #DA903F #3FDA42

square

#3F89DA #DA3FD6 #DA903F #3FDA42

split-complementary

#3F89DA #DA423F #D6DA3F

monochromatic

#1A4D85 #246BB8 #3F89DA #72A9E4 #A6C8EE

Accessibility & contrast

On white

3.62

#3F89DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#3F89DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89DA

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89DA	#FFFFFF	#000000	##000000
##3F89DA	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648EDD

Deuteranopia (green-blind)

#4D80D8

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f89da;
/* rgb */ color: rgb(63, 137, 218);
/* oklch */ color: oklch(62.2% 0.143 252.9);

Tailwind

colors: {
  custom: {
    50: '#86abe6',
    500: '#3f89da',
    950: '#000000',
  },
}

SCSS

$custom: #3f89da;
$custom-light: #86abe6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89da",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 218
  },
  "hsl": {
    "h": 211.355,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62186,
    "c": 0.14319,
    "h": 252.9
  },
  "luminance": 0.2401
}

Semantic roles & 50–950 ramp

primary

#3F89DA

secondary

#DBBC9A

accent

#983DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3F89DA

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

Preview Lab → · Contrast checker → · Palette generator →