#3F8FCE#3F8FCE

#3F8FCE is a light, vivid cyan. Relative luminance 0.252; OKLCH L 62.9% C 0.123 H 245.4°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FCE
RGB	rgb(63, 143, 206)
HSL	hsl(206, 59%, 53%)
HSV	hsv(206, 69%, 81%)
CMYK	cmyk(69.4%, 30.6%, 0%, 19.2%)
CIE-LAB	lab(57.23, -4.01, -39.54)
CIE-LCH	lch(57.23, 39.74, 264.20°)
OKLab	oklab(62.88% -0.0512 -0.1118)
OKLCH	oklch(62.88% 0.123 245.4)
XYZ	xyz(23.0087, 25.1554, 62.0234)
Luminance	0.2516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FCE #CE7E3F

analogous

#3FCEC6 #3F8FCE #3F47CE

triadic

#3F8FCE #CE3F8F #8FCE3F

tetradic

#3F8FCE #C63FCE #CE7E3F #47CE3F

square

#3F8FCE #C63FCE #CE7E3F #47CE3F

split-complementary

#3F8FCE #CE3F47 #CEC63F

monochromatic

#1E4E75 #2A6FA6 #3F8FCE #70ABDA #A1C8E7

Accessibility & contrast

On white

3.48

#3F8FCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#3F8FCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FCE

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FCE	#FFFFFF	#000000	##000000
##3F8FCE	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7391D1

Deuteranopia (green-blind)

#5F83CD

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8fce;
/* rgb */ color: rgb(63, 143, 206);
/* oklch */ color: oklch(62.9% 0.123 245.4);

Tailwind

colors: {
  custom: {
    50: '#84afdd',
    500: '#3f8fce',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fce;
$custom-light: #84afdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fce",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 206
  },
  "hsl": {
    "h": 206.434,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62879,
    "c": 0.123,
    "h": 245.4
  },
  "luminance": 0.25158
}

Semantic roles & 50–950 ramp

primary

#3F8FCE

secondary

#D3B195

accent

#8B45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8FCE

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

Preview Lab → · Contrast checker → · Palette generator →