#3F8DD7#3F8DD7

#3F8DD7 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.136 H 249.9°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DD7
RGB	rgb(63, 141, 215)
HSL	hsl(209, 66%, 55%)
HSV	hsv(209, 71%, 84%)
CMYK	cmyk(70.7%, 34.4%, 0%, 15.7%)
CIE-LAB	lab(57.09, 0.28, -44.82)
CIE-LCH	lch(57.09, 44.82, 270.36°)
OKLab	oklab(62.91% -0.0467 -0.1273)
OKLCH	oklch(62.91% 0.136 249.9)
XYZ	xyz(23.8359, 25.0102, 67.8480)
Luminance	0.2501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DD7 #D7893F

analogous

#3FD7D5 #3F8DD7 #3F41D7

triadic

#3F8DD7 #D73F8D #8DD73F

tetradic

#3F8DD7 #D53FD7 #D7893F #41D73F

square

#3F8DD7 #D53FD7 #D7893F #41D73F

split-complementary

#3F8DD7 #D73F41 #D7D53F

monochromatic

#1B4F81 #256EB3 #3F8DD7 #72ABE2 #A4C9EC

Accessibility & contrast

On white

3.50

#3F8DD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#3F8DD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DD7

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DD7	#FFFFFF	#000000	##000000
##3F8DD7	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C91DA

Deuteranopia (green-blind)

#5683D6

Tritanopia (blue-blind)

#009FA8

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8dd7;
/* rgb */ color: rgb(63, 141, 215);
/* oklch */ color: oklch(62.9% 0.136 249.9);

Tailwind

colors: {
  custom: {
    50: '#86aee3',
    500: '#3f8dd7',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dd7;
$custom-light: #86aee3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dd7",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 215
  },
  "hsl": {
    "h": 209.211,
    "s": 65.517,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62912,
    "c": 0.13556,
    "h": 249.9
  },
  "luminance": 0.25013
}

Semantic roles & 50–950 ramp

primary

#3F8DD7

secondary

#D9B899

accent

#923FE8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8DD7

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

Preview Lab → · Contrast checker → · Palette generator →