#3F89D8#3F89D8

#3F89D8 is a light, vivid cyan. Relative luminance 0.239; OKLCH L 62.1% C 0.141 H 252.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F89D8
RGB	rgb(63, 137, 216)
HSL	hsl(211, 66%, 55%)
HSV	hsv(211, 71%, 85%)
CMYK	cmyk(70.8%, 36.6%, 0%, 15.3%)
CIE-LAB	lab(55.99, 3.00, -47.11)
CIE-LCH	lch(55.99, 47.21, 273.65°)
OKLab	oklab(62.07% -0.0427 -0.134)
OKLCH	oklch(62.07% 0.141 252.3)
XYZ	xyz(23.3856, 23.9034, 68.3338)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89D8 #D88E3F

analogous

#3FD6D8 #3F89D8 #413FD8

triadic

#3F89D8 #D83F89 #89D83F

tetradic

#3F89D8 #D83FD6 #D88E3F #3FD841

square

#3F89D8 #D83FD6 #D88E3F #3FD841

split-complementary

#3F89D8 #D8413F #D6D83F

monochromatic

#1A4D82 #256BB5 #3F89D8 #72A8E2 #A5C8ED

Accessibility & contrast

On white

3.63

#3F89D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3F89D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89D8

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89D8	#FFFFFF	#000000	##000000
##3F89D8	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658EDB

Deuteranopia (green-blind)

#4E80D6

Tritanopia (blue-blind)

#009CA6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f89d8;
/* rgb */ color: rgb(63, 137, 216);
/* oklch */ color: oklch(62.1% 0.141 252.3);

Tailwind

colors: {
  custom: {
    50: '#86abe4',
    500: '#3f89d8',
    950: '#000000',
  },
}

SCSS

$custom: #3f89d8;
$custom-light: #86abe4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89d8",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 216
  },
  "hsl": {
    "h": 210.98,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62071,
    "c": 0.14066,
    "h": 252.3
  },
  "luminance": 0.23906
}

Semantic roles & 50–950 ramp

primary

#3F89D8

secondary

#DABA99

accent

#973FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1015

muted

#7D7F84

Preview Lab

Preview with #3F89D8

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

Preview Lab → · Contrast checker → · Palette generator →