#3F8ED5#3F8ED5

#3F8ED5 is a light, vivid cyan. Relative luminance 0.252; OKLCH L 63.0% C 0.132 H 248.6°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ED5
RGB	rgb(63, 142, 213)
HSL	hsl(208, 64%, 54%)
HSV	hsv(208, 70%, 84%)
CMYK	cmyk(70.4%, 33.3%, 0%, 16.5%)
CIE-LAB	lab(57.27, -1.00, -43.40)
CIE-LCH	lch(57.27, 43.41, 268.68°)
OKLab	oklab(63.03% -0.0482 -0.1231)
OKLCH	oklch(63.03% 0.132 248.6)
XYZ	xyz(23.7286, 25.2043, 66.5522)
Luminance	0.2521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ED5 #D5863F

analogous

#3FD5D1 #3F8ED5 #3F43D5

triadic

#3F8ED5 #D53F8E #8ED53F

tetradic

#3F8ED5 #D13FD5 #D5863F #43D53F

square

#3F8ED5 #D13FD5 #D5863F #43D53F

split-complementary

#3F8ED5 #D53F43 #D5D13F

monochromatic

#1C4F7E #276FB0 #3F8ED5 #71ACE0 #A3C9EB

Accessibility & contrast

On white

3.48

#3F8ED5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#3F8ED5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ED5

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ED5	#FFFFFF	#000000	##000000
##3F8ED5	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E91D8

Deuteranopia (green-blind)

#5983D4

Tritanopia (blue-blind)

#009FA8

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8ed5;
/* rgb */ color: rgb(63, 142, 213);
/* oklch */ color: oklch(63.0% 0.132 248.6);

Tailwind

colors: {
  custom: {
    50: '#85aee2',
    500: '#3f8ed5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ed5;
$custom-light: #85aee2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ed5",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 213
  },
  "hsl": {
    "h": 208.4,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63027,
    "c": 0.13221,
    "h": 248.6
  },
  "luminance": 0.25207
}

Semantic roles & 50–950 ramp

primary

#3F8ED5

secondary

#D8B698

accent

#8F41E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8ED5

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

Preview Lab → · Contrast checker → · Palette generator →