#3F9ADA#3F9ADA

#3F9ADA is a light, vivid cyan. Relative luminance 0.292; OKLCH L 66.0% C 0.128 H 243.0°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ADA
RGB	rgb(63, 154, 218)
HSL	hsl(205, 68%, 55%)
HSV	hsv(205, 71%, 85%)
CMYK	cmyk(71.1%, 29.4%, 0%, 14.5%)
CIE-LAB	lab(60.98, -6.18, -40.36)
CIE-LCH	lch(60.98, 40.83, 261.29°)
OKLab	oklab(66.03% -0.0582 -0.1141)
OKLCH	oklch(66.03% 0.128 243)
XYZ	xyz(26.2555, 29.2270, 70.5737)
Luminance	0.2923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ADA #DA7F3F

analogous

#3FDACC #3F9ADA #3F4CDA

triadic

#3F9ADA #DA3F9A #9ADA3F

tetradic

#3F9ADA #CC3FDA #DA7F3F #4CDA3F

square

#3F9ADA #CC3FDA #DA7F3F #4CDA3F

split-complementary

#3F9ADA #DA3F4C #DACC3F

monochromatic

#1A5985 #247BB8 #3F9ADA #72B5E4 #A6D0EE

Accessibility & contrast

On white

3.07

#3F9ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#3F9ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ADA

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ADA	#FFFFFF	#000000	##000000
##3F9ADA	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9BDD

Deuteranopia (green-blind)

#678DD9

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9ada;
/* rgb */ color: rgb(63, 154, 218);
/* oklch */ color: oklch(66.0% 0.128 243.0);

Tailwind

colors: {
  custom: {
    50: '#86b7e5',
    500: '#3f9ada',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ada;
$custom-light: #86b7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ada",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 218
  },
  "hsl": {
    "h": 204.774,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.66028,
    "c": 0.12811,
    "h": 243
  },
  "luminance": 0.2923
}

Semantic roles & 50–950 ramp

primary

#3F9ADA

secondary

#DBB59A

accent

#853DEB

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3F9ADA

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

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