#3F8CD5#3F8CD5

#3F8CD5 is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.134 H 249.8°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CD5
RGB	rgb(63, 140, 213)
HSL	hsl(209, 64%, 54%)
HSV	hsv(209, 70%, 84%)
CMYK	cmyk(70.4%, 34.3%, 0%, 16.5%)
CIE-LAB	lab(56.70, 0.17, -44.31)
CIE-LCH	lch(56.70, 44.31, 270.22°)
OKLab	oklab(62.58% -0.0463 -0.1258)
OKLCH	oklch(62.58% 0.134 249.8)
XYZ	xyz(23.4337, 24.6145, 66.4539)
Luminance	0.2462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CD5 #D5883F

analogous

#3FD5D3 #3F8CD5 #3F41D5

triadic

#3F8CD5 #D53F8C #8CD53F

tetradic

#3F8CD5 #D33FD5 #D5883F #41D53F

square

#3F8CD5 #D33FD5 #D5883F #41D53F

split-complementary

#3F8CD5 #D53F41 #D5D33F

monochromatic

#1C4E7E #276DB0 #3F8CD5 #71AAE0 #A3C8EB

Accessibility & contrast

On white

3.55

#3F8CD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#3F8CD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CD5

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CD5	#FFFFFF	#000000	##000000
##3F8CD5	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B90D8

Deuteranopia (green-blind)

#5682D4

Tritanopia (blue-blind)

#009DA6

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8cd5;
/* rgb */ color: rgb(63, 140, 213);
/* oklch */ color: oklch(62.6% 0.134 249.8);

Tailwind

colors: {
  custom: {
    50: '#85ade2',
    500: '#3f8cd5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cd5;
$custom-light: #85ade2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cd5",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 213
  },
  "hsl": {
    "h": 209.2,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62575,
    "c": 0.13403,
    "h": 249.8
  },
  "luminance": 0.24617
}

Semantic roles & 50–950 ramp

primary

#3F8CD5

secondary

#D8B798

accent

#9241E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8CD5

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

Preview Lab → · Contrast checker → · Palette generator →