#3F89D9#3F89D9

#3F89D9 is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.1% C 0.142 H 252.6°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F89D9
RGB	rgb(63, 137, 217)
HSL	hsl(211, 67%, 55%)
HSV	hsv(211, 71%, 85%)
CMYK	cmyk(71%, 36.9%, 0%, 14.9%)
CIE-LAB	lab(56.04, 3.36, -47.59)
CIE-LCH	lch(56.04, 47.71, 274.04°)
OKLab	oklab(62.13% -0.0424 -0.1354)
OKLCH	oklch(62.13% 0.142 252.6)
XYZ	xyz(23.5153, 23.9553, 69.0167)
Luminance	0.2396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89D9 #D98F3F

analogous

#3FD6D9 #3F89D9 #423FD9

triadic

#3F89D9 #D93F89 #89D93F

tetradic

#3F89D9 #D93FD6 #D98F3F #3FD942

square

#3F89D9 #D93FD6 #D98F3F #3FD942

split-complementary

#3F89D9 #D9423F #D6D93F

monochromatic

#1A4D84 #246BB7 #3F89D9 #72A8E3 #A5C8ED

Accessibility & contrast

On white

3.63

#3F89D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#3F89D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89D9

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89D9	#FFFFFF	#000000	##000000
##3F89D9	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648EDC

Deuteranopia (green-blind)

#4E80D7

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f89d9;
/* rgb */ color: rgb(63, 137, 217);
/* oklch */ color: oklch(62.1% 0.142 252.6);

Tailwind

colors: {
  custom: {
    50: '#86abe5',
    500: '#3f89d9',
    950: '#000000',
  },
}

SCSS

$custom: #3f89d9;
$custom-light: #86abe5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89d9",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 217
  },
  "hsl": {
    "h": 211.169,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62129,
    "c": 0.14192,
    "h": 252.6
  },
  "luminance": 0.23958
}

Semantic roles & 50–950 ramp

primary

#3F89D9

secondary

#DABB9A

accent

#973EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3F89D9

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

Preview Lab → · Contrast checker → · Palette generator →