#3F8CCF#3F8CCF

#3F8CCF is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.127 H 247.8°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CCF
RGB	rgb(63, 140, 207)
HSL	hsl(208, 60%, 53%)
HSV	hsv(208, 70%, 81%)
CMYK	cmyk(69.6%, 32.4%, 0%, 18.8%)
CIE-LAB	lab(56.40, -1.92, -41.40)
CIE-LCH	lch(56.40, 41.44, 267.34°)
OKLab	oklab(62.25% -0.0479 -0.1173)
OKLCH	oklch(62.25% 0.127 247.8)
XYZ	xyz(22.6862, 24.3155, 62.5171)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CCF #CF823F

analogous

#3FCFCA #3F8CCF #3F44CF

triadic

#3F8CCF #CF3F8C #8CCF3F

tetradic

#3F8CCF #CA3FCF #CF823F #44CF3F

square

#3F8CCF #CA3FCF #CF823F #44CF3F

split-complementary

#3F8CCF #CF3F44 #CFCA3F

monochromatic

#1E4D76 #2A6DA7 #3F8CCF #70A9DB #A1C7E7

Accessibility & contrast

On white

3.58

#3F8CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#3F8CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CCF

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CCF	#FFFFFF	#000000	##000000
##3F8CCF	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8FD2

Deuteranopia (green-blind)

#5A81CE

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8ccf;
/* rgb */ color: rgb(63, 140, 207);
/* oklch */ color: oklch(62.2% 0.127 247.8);

Tailwind

colors: {
  custom: {
    50: '#84adde',
    500: '#3f8ccf',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ccf;
$custom-light: #84adde;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ccf",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 207
  },
  "hsl": {
    "h": 207.917,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62246,
    "c": 0.12672,
    "h": 247.8
  },
  "luminance": 0.24318
}

Semantic roles & 50–950 ramp

primary

#3F8CCF

secondary

#D4B396

accent

#8E45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8CCF

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

Preview Lab → · Contrast checker → · Palette generator →