#3F8FCD#3F8FCD

#3F8FCD is a light, vivid cyan. Relative luminance 0.251; OKLCH L 62.8% C 0.122 H 245.0°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FCD
RGB	rgb(63, 143, 205)
HSL	hsl(206, 59%, 53%)
HSV	hsv(206, 69%, 80%)
CMYK	cmyk(69.3%, 30.2%, 0%, 19.6%)
CIE-LAB	lab(57.18, -4.36, -39.05)
CIE-LCH	lch(57.18, 39.29, 263.63°)
OKLab	oklab(62.83% -0.0515 -0.1104)
OKLCH	oklch(62.83% 0.122 245)
XYZ	xyz(22.8876, 25.1070, 61.3857)
Luminance	0.2511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FCD #CD7D3F

analogous

#3FCDC4 #3F8FCD #3F48CD

triadic

#3F8FCD #CD3F8F #8FCD3F

tetradic

#3F8FCD #C43FCD #CD7D3F #48CD3F

square

#3F8FCD #C43FCD #CD7D3F #48CD3F

split-complementary

#3F8FCD #CD3F48 #CDC43F

monochromatic

#1E4E74 #2B6FA4 #3F8FCD #70ABDA #A0C8E6

Accessibility & contrast

On white

3.49

#3F8FCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#3F8FCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FCD

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FCD	#FFFFFF	#000000	##000000
##3F8FCD	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7391D0

Deuteranopia (green-blind)

#5F83CC

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8fcd;
/* rgb */ color: rgb(63, 143, 205);
/* oklch */ color: oklch(62.8% 0.122 245.0);

Tailwind

colors: {
  custom: {
    50: '#84afdc',
    500: '#3f8fcd',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fcd;
$custom-light: #84afdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fcd",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 205
  },
  "hsl": {
    "h": 206.197,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62827,
    "c": 0.12184,
    "h": 245
  },
  "luminance": 0.25109
}

Semantic roles & 50–950 ramp

primary

#3F8FCD

secondary

#D3B095

accent

#8A46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8FCD

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

Preview Lab → · Contrast checker → · Palette generator →