#3F95ED#3F95ED

#3F95ED is a light, vivid cyan. Relative luminance 0.287; OKLCH L 65.9% C 0.155 H 251.8°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F95ED
RGB	rgb(63, 149, 237)
HSL	hsl(210, 83%, 59%)
HSV	hsv(210, 73%, 93%)
CMYK	cmyk(73.4%, 37.1%, 0%, 7.1%)
CIE-LAB	lab(60.48, 3.33, -51.68)
CIE-LCH	lch(60.48, 51.78, 273.69°)
OKLab	oklab(65.94% -0.0484 -0.1472)
OKLCH	oklch(65.94% 0.155 251.8)
XYZ	xyz(28.0777, 28.6629, 84.1571)
Luminance	0.2867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F95ED #ED973F

analogous

#3FECED #3F95ED #403FED

triadic

#3F95ED #ED3F95 #95ED3F

tetradic

#3F95ED #ED3FEC #ED973F #3FED40

square

#3F95ED #ED3FEC #ED973F #3FED40

split-complementary

#3F95ED #ED403F #ECED3F

monochromatic

#0F58A2 #1476DA #3F95ED #77B4F2 #AFD3F7

Accessibility & contrast

On white

3.12

#3F95ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#3F95ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F95ED

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F95ED	#FFFFFF	#000000	##000000
##3F95ED	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C9BF1

Deuteranopia (green-blind)

#528BEB

Tritanopia (blue-blind)

#00AAB6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f95ed;
/* rgb */ color: rgb(63, 149, 237);
/* oklch */ color: oklch(65.9% 0.155 251.8);

Tailwind

colors: {
  custom: {
    50: '#8ab3f3',
    500: '#3f95ed',
    950: '#000000',
  },
}

SCSS

$custom: #3f95ed;
$custom-light: #8ab3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f95ed",
  "rgb": {
    "r": 63,
    "g": 149,
    "b": 237
  },
  "hsl": {
    "h": 210.345,
    "s": 82.857,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6594,
    "c": 0.15498,
    "h": 251.8
  },
  "luminance": 0.28666
}

Semantic roles & 50–950 ramp

primary

#3F95ED

secondary

#E6C4A2

accent

#952FF9

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1117

muted

#7E8085

Preview Lab

Preview with #3F95ED

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

Preview Lab → · Contrast checker → · Palette generator →