#3F8BE3#3F8BE3

#3F8BE3 is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.2% C 0.153 H 254.1°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BE3
RGB	rgb(63, 139, 227)
HSL	hsl(212, 75%, 57%)
HSV	hsv(212, 72%, 89%)
CMYK	cmyk(72.2%, 38.8%, 0%, 11%)
CIE-LAB	lab(57.14, 5.71, -51.44)
CIE-LCH	lch(57.14, 51.76, 276.34°)
OKLab	oklab(63.16% -0.0419 -0.1467)
OKLCH	oklch(63.16% 0.153 254.1)
XYZ	xyz(25.1425, 25.0653, 76.1712)
Luminance	0.2507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BE3 #E3973F

analogous

#3FDDE3 #3F8BE3 #453FE3

triadic

#3F8BE3 #E33F8B #8BE33F

tetradic

#3F8BE3 #E33FDD #E3973F #3FE345

square

#3F8BE3 #E33FDD #E3973F #3FE345

split-complementary

#3F8BE3 #E3453F #DDE33F

monochromatic

#154F92 #1D6CC8 #3F8BE3 #74ABEB #AACCF3

Accessibility & contrast

On white

3.49

#3F8BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#3F8BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BE3

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BE3	#FFFFFF	#000000	##000000
##3F8BE3	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6291E7

Deuteranopia (green-blind)

#4882E1

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8be3;
/* rgb */ color: rgb(63, 139, 227);
/* oklch */ color: oklch(63.2% 0.153 254.1);

Tailwind

colors: {
  custom: {
    50: '#88acec',
    500: '#3f8be3',
    950: '#000000',
  },
}

SCSS

$custom: #3f8be3;
$custom-light: #88acec;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8be3",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 227
  },
  "hsl": {
    "h": 212.195,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63157,
    "c": 0.15256,
    "h": 254.1
  },
  "luminance": 0.25068
}

Semantic roles & 50–950 ramp

primary

#3F8BE3

secondary

#E0C19D

accent

#9B37F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #3F8BE3

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

Preview Lab → · Contrast checker → · Palette generator →