#3F93ED#3F93ED

#3F93ED is a light, vivid cyan. Relative luminance 0.280; OKLCH L 65.5% C 0.157 H 252.7°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F93ED
RGB	rgb(63, 147, 237)
HSL	hsl(211, 83%, 59%)
HSV	hsv(211, 73%, 93%)
CMYK	cmyk(73.4%, 38%, 0%, 7.1%)
CIE-LAB	lab(59.92, 4.51, -52.57)
CIE-LCH	lch(59.92, 52.76, 274.90°)
OKLab	oklab(65.5% -0.0466 -0.1499)
OKLCH	oklch(65.5% 0.157 252.7)
XYZ	xyz(27.7640, 28.0355, 84.0525)
Luminance	0.2804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F93ED #ED993F

analogous

#3FEAED #3F93ED #423FED

triadic

#3F93ED #ED3F93 #93ED3F

tetradic

#3F93ED #ED3FEA #ED993F #3FED42

square

#3F93ED #ED3FEA #ED993F #3FED42

split-complementary

#3F93ED #ED423F #EAED3F

monochromatic

#0F56A2 #1474DA #3F93ED #77B2F2 #AFD2F7

Accessibility & contrast

On white

3.18

#3F93ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#3F93ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F93ED

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F93ED	#FFFFFF	#000000	##000000
##3F93ED	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6999F1

Deuteranopia (green-blind)

#4E89EB

Tritanopia (blue-blind)

#00A8B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3f93ed;
/* rgb */ color: rgb(63, 147, 237);
/* oklch */ color: oklch(65.5% 0.157 252.7);

Tailwind

colors: {
  custom: {
    50: '#8ab2f3',
    500: '#3f93ed',
    950: '#000000',
  },
}

SCSS

$custom: #3f93ed;
$custom-light: #8ab2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f93ed",
  "rgb": {
    "r": 63,
    "g": 147,
    "b": 237
  },
  "hsl": {
    "h": 211.034,
    "s": 82.857,
    "l": 58.824
  },
  "oklch": {
    "l": 0.65501,
    "c": 0.15697,
    "h": 252.7
  },
  "luminance": 0.28039
}

Semantic roles & 50–950 ramp

primary

#3F93ED

secondary

#E6C5A2

accent

#972FF9

background

#F9FAFE

surface

#F2F5FD

border

#CCCFD5

text

#0D1017

muted

#7E7F85

Preview Lab

Preview with #3F93ED

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

Preview Lab → · Contrast checker → · Palette generator →