#3F89D3#3F89D3

#3F89D3 is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.8% C 0.134 H 250.9°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F89D3
RGB	rgb(63, 137, 211)
HSL	hsl(210, 63%, 54%)
HSV	hsv(210, 70%, 83%)
CMYK	cmyk(70.1%, 35.1%, 0%, 17.3%)
CIE-LAB	lab(55.73, 1.24, -44.71)
CIE-LCH	lch(55.73, 44.72, 271.59°)
OKLab	oklab(61.79% -0.044 -0.127)
OKLCH	oklch(61.79% 0.134 250.9)
XYZ	xyz(22.7490, 23.6488, 64.9811)
Luminance	0.2365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89D3 #D3893F

analogous

#3FD3D3 #3F89D3 #3F3FD3

triadic

#3F89D3 #D33F89 #89D33F

tetradic

#3F89D3 #D33FD3 #D3893F #3FD33F

square

#3F89D3 #D33FD3 #D3893F #3FD33F

split-complementary

#3F89D3 #D33F3F #D3D33F

monochromatic

#1C4C7B #286AAD #3F89D3 #71A8DE #A3C6EA

Accessibility & contrast

On white

3.66

#3F89D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#3F89D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89D3

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89D3	#FFFFFF	#000000	##000000
##3F89D3	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688DD6

Deuteranopia (green-blind)

#527FD2

Tritanopia (blue-blind)

#009AA4

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f89d3;
/* rgb */ color: rgb(63, 137, 211);
/* oklch */ color: oklch(61.8% 0.134 250.9);

Tailwind

colors: {
  custom: {
    50: '#85abe1',
    500: '#3f89d3',
    950: '#000000',
  },
}

SCSS

$custom: #3f89d3;
$custom-light: #85abe1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89d3",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 211
  },
  "hsl": {
    "h": 210,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.61786,
    "c": 0.13439,
    "h": 250.9
  },
  "luminance": 0.23651
}

Semantic roles & 50–950 ramp

primary

#3F89D3

secondary

#D7B797

accent

#9442E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F89D3

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

Preview Lab → · Contrast checker → · Palette generator →