#3F8DE2#3F8DE2

#3F8DE2 is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.5% C 0.149 H 252.9°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DE2
RGB	rgb(63, 141, 226)
HSL	hsl(211, 74%, 57%)
HSV	hsv(211, 72%, 89%)
CMYK	cmyk(72.1%, 37.6%, 0%, 11.4%)
CIE-LAB	lab(57.65, 4.17, -50.07)
CIE-LCH	lch(57.65, 50.25, 274.75°)
OKLab	oklab(63.54% -0.0439 -0.1426)
OKLCH	oklch(63.54% 0.149 252.9)
XYZ	xyz(25.2971, 25.5947, 75.5438)
Luminance	0.2560 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DE2 #E2943F

analogous

#3FDFE2 #3F8DE2 #433FE2

triadic

#3F8DE2 #E23F8D #8DE23F

tetradic

#3F8DE2 #E23FDF #E2943F #3FE243

square

#3F8DE2 #E23FDF #E2943F #3FE243

split-complementary

#3F8DE2 #E2433F #DFE23F

monochromatic

#165191 #1E6EC6 #3F8DE2 #74ADEA #A9CCF2

Accessibility & contrast

On white

3.43

#3F8DE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#3F8DE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DE2

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DE2	#FFFFFF	#000000	##000000
##3F8DE2	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6693E5

Deuteranopia (green-blind)

#4D84E0

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f8de2;
/* rgb */ color: rgb(63, 141, 226);
/* oklch */ color: oklch(63.5% 0.149 252.9);

Tailwind

colors: {
  custom: {
    50: '#88adeb',
    500: '#3f8de2',
    950: '#000000',
  },
}

SCSS

$custom: #3f8de2;
$custom-light: #88adeb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8de2",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 226
  },
  "hsl": {
    "h": 211.288,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63538,
    "c": 0.14925,
    "h": 252.9
  },
  "luminance": 0.25598
}

Semantic roles & 50–950 ramp

primary

#3F8DE2

secondary

#E0C09D

accent

#9837F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #3F8DE2

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

Preview Lab → · Contrast checker → · Palette generator →