#3F7FCD#3F7FCD

#3F7FCD is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.2% C 0.137 H 254.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FCD
RGB	rgb(63, 127, 205)
HSL	hsl(213, 59%, 53%)
HSV	hsv(213, 69%, 80%)
CMYK	cmyk(69.3%, 38%, 0%, 19.6%)
CIE-LAB	lab(52.55, 5.11, -46.35)
CIE-LCH	lch(52.55, 46.63, 276.29°)
OKLab	oklab(59.2% -0.0359 -0.132)
OKLCH	oklch(59.2% 0.137 254.8)
XYZ	xyz(20.6547, 20.6411, 60.6414)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FCD #CD8D3F

analogous

#3FC6CD #3F7FCD #463FCD

triadic

#3F7FCD #CD3F7F #7FCD3F

tetradic

#3F7FCD #CD3FC6 #CD8D3F #3FCD46

square

#3F7FCD #CD3FC6 #CD8D3F #3FCD46

split-complementary

#3F7FCD #CD463F #C6CD3F

monochromatic

#1E4574 #2B61A4 #3F7FCD #709FDA #A0C0E6

Accessibility & contrast

On white

4.09

#3F7FCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3F7FCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FCD

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FCD	#FFFFFF	#000000	##000000
##3F7FCD	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C85D0

Deuteranopia (green-blind)

#4677CB

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f7fcd;
/* rgb */ color: rgb(63, 127, 205);
/* oklch */ color: oklch(59.2% 0.137 254.8);

Tailwind

colors: {
  custom: {
    50: '#84a3dc',
    500: '#3f7fcd',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fcd;
$custom-light: #84a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fcd",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 205
  },
  "hsl": {
    "h": 212.958,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59198,
    "c": 0.13675,
    "h": 254.8
  },
  "luminance": 0.20643
}

Semantic roles & 50–950 ramp

primary

#3F7FCD

secondary

#D3B795

accent

#9C46E2

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F7FCD

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

Preview Lab → · Contrast checker → · Palette generator →