#3F8ECD#3F8ECD

#3F8ECD is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.6% C 0.123 H 245.7°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ECD
RGB	rgb(63, 142, 205)
HSL	hsl(207, 59%, 53%)
HSV	hsv(207, 69%, 80%)
CMYK	cmyk(69.3%, 30.7%, 0%, 19.6%)
CIE-LAB	lab(56.89, -3.78, -39.51)
CIE-LCH	lch(56.89, 39.69, 264.53°)
OKLab	oklab(62.6% -0.0505 -0.1118)
OKLCH	oklch(62.6% 0.123 245.7)
XYZ	xyz(22.7382, 24.8081, 61.3359)
Luminance	0.2481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ECD #CD7E3F

analogous

#3FCDC5 #3F8ECD #3F47CD

triadic

#3F8ECD #CD3F8E #8ECD3F

tetradic

#3F8ECD #C53FCD #CD7E3F #47CD3F

square

#3F8ECD #C53FCD #CD7E3F #47CD3F

split-complementary

#3F8ECD #CD3F47 #CDC53F

monochromatic

#1E4E74 #2B6EA4 #3F8ECD #70ABDA #A0C7E6

Accessibility & contrast

On white

3.52

#3F8ECD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#3F8ECD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ECD

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ECD	#FFFFFF	#000000	##000000
##3F8ECD	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7290D0

Deuteranopia (green-blind)

#5E82CC

Tritanopia (blue-blind)

#009DA4

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8ecd;
/* rgb */ color: rgb(63, 142, 205);
/* oklch */ color: oklch(62.6% 0.123 245.7);

Tailwind

colors: {
  custom: {
    50: '#84aedc',
    500: '#3f8ecd',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ecd;
$custom-light: #84aedc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ecd",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 205
  },
  "hsl": {
    "h": 206.62,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62597,
    "c": 0.12264,
    "h": 245.7
  },
  "luminance": 0.24811
}

Semantic roles & 50–950 ramp

primary

#3F8ECD

secondary

#D3B095

accent

#8B46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8ECD

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

Preview Lab → · Contrast checker → · Palette generator →