#3F8FD0#3F8FD0

#3F8FD0 is a light, vivid cyan. Relative luminance 0.253; OKLCH L 63.0% C 0.125 H 246.2°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FD0
RGB	rgb(63, 143, 208)
HSL	hsl(207, 61%, 53%)
HSV	hsv(207, 70%, 82%)
CMYK	cmyk(69.7%, 31.3%, 0%, 18.4%)
CIE-LAB	lab(57.32, -3.32, -40.51)
CIE-LCH	lch(57.32, 40.65, 265.31°)
OKLab	oklab(62.99% -0.0506 -0.1147)
OKLCH	oklch(62.99% 0.125 246.2)
XYZ	xyz(23.2532, 25.2532, 63.3111)
Luminance	0.2526 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FD0 #D0803F

analogous

#3FD0C9 #3F8FD0 #3F46D0

triadic

#3F8FD0 #D03F8F #8FD03F

tetradic

#3F8FD0 #C93FD0 #D0803F #46D03F

square

#3F8FD0 #C93FD0 #D0803F #46D03F

split-complementary

#3F8FD0 #D03F46 #D0C93F

monochromatic

#1D4F77 #296FA9 #3F8FD0 #70ACDC #A1C8E8

Accessibility & contrast

On white

3.47

#3F8FD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#3F8FD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FD0

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FD0	#FFFFFF	#000000	##000000
##3F8FD0	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7291D3

Deuteranopia (green-blind)

#5E83CF

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f8fd0;
/* rgb */ color: rgb(63, 143, 208);
/* oklch */ color: oklch(63.0% 0.125 246.2);

Tailwind

colors: {
  custom: {
    50: '#84afde',
    500: '#3f8fd0',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fd0;
$custom-light: #84afde;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fd0",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 208
  },
  "hsl": {
    "h": 206.897,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.62985,
    "c": 0.12535,
    "h": 246.2
  },
  "luminance": 0.25256
}

Semantic roles & 50–950 ramp

primary

#3F8FD0

secondary

#D5B296

accent

#8C44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8FD0

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

Preview Lab → · Contrast checker → · Palette generator →