#3F8FCC#3F8FCC

#3F8FCC is a light, vivid cyan. Relative luminance 0.251; OKLCH L 62.8% C 0.121 H 244.6°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FCC
RGB	rgb(63, 143, 204)
HSL	hsl(206, 58%, 52%)
HSV	hsv(206, 69%, 80%)
CMYK	cmyk(69.1%, 29.9%, 0%, 20%)
CIE-LAB	lab(57.13, -4.70, -38.56)
CIE-LCH	lch(57.13, 38.85, 263.04°)
OKLab	oklab(62.78% -0.0518 -0.109)
OKLCH	oklch(62.78% 0.121 244.6)
XYZ	xyz(22.7673, 25.0589, 60.7520)
Luminance	0.2506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FCC #CC7C3F

analogous

#3FCCC2 #3F8FCC #3F49CC

triadic

#3F8FCC #CC3F8F #8FCC3F

tetradic

#3F8FCC #C23FCC #CC7C3F #49CC3F

square

#3F8FCC #C23FCC #CC7C3F #49CC3F

split-complementary

#3F8FCC #CC3F49 #CCC23F

monochromatic

#1E4E72 #2B6FA3 #3F8FCC #6FABD9 #A0C7E6

Accessibility & contrast

On white

3.49

#3F8FCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#3F8FCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FCC

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FCC	#FFFFFF	#000000	##000000
##3F8FCC	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7391CF

Deuteranopia (green-blind)

#6083CB

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8fcc;
/* rgb */ color: rgb(63, 143, 204);
/* oklch */ color: oklch(62.8% 0.121 244.6);

Tailwind

colors: {
  custom: {
    50: '#84afdc',
    500: '#3f8fcc',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fcc;
$custom-light: #84afdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fcc",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 204
  },
  "hsl": {
    "h": 205.957,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62775,
    "c": 0.12067,
    "h": 244.6
  },
  "luminance": 0.25061
}

Semantic roles & 50–950 ramp

primary

#3F8FCC

secondary

#D2AF95

accent

#8947E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8FCC

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

Preview Lab → · Contrast checker → · Palette generator →