#3F7ED1#3F7ED1

#3F7ED1 is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.2% C 0.143 H 256.2°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F7ED1
RGB	rgb(63, 126, 209)
HSL	hsl(214, 61%, 53%)
HSV	hsv(214, 70%, 82%)
CMYK	cmyk(69.9%, 39.7%, 0%, 18%)
CIE-LAB	lab(52.49, 7.14, -48.73)
CIE-LCH	lch(52.49, 49.25, 278.34°)
OKLab	oklab(59.22% -0.034 -0.1389)
OKLCH	oklch(59.22% 0.143 256.2)
XYZ	xyz(21.0152, 20.5797, 63.1740)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7ED1 #D1923F

analogous

#3FC7D1 #3F7ED1 #493FD1

triadic

#3F7ED1 #D13F7E #7ED13F

tetradic

#3F7ED1 #D13FC7 #D1923F #3FD149

square

#3F7ED1 #D13FC7 #D1923F #3FD149

split-complementary

#3F7ED1 #D1493F #C7D13F

monochromatic

#1D4579 #2961AA #3F7ED1 #709FDD #A2C0E9

Accessibility & contrast

On white

4.10

#3F7ED1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#3F7ED1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7ED1

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7ED1	#FFFFFF	#000000	##000000
##3F7ED1	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5885D4

Deuteranopia (green-blind)

#4177CF

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f7ed1;
/* rgb */ color: rgb(63, 126, 209);
/* oklch */ color: oklch(59.2% 0.143 256.2);

Tailwind

colors: {
  custom: {
    50: '#85a2df',
    500: '#3f7ed1',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ed1;
$custom-light: #85a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ed1",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 209
  },
  "hsl": {
    "h": 214.11,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59216,
    "c": 0.14304,
    "h": 256.2
  },
  "luminance": 0.20582
}

Semantic roles & 50–950 ramp

primary

#3F7ED1

secondary

#D5BA97

accent

#9F43E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7ED1

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

Preview Lab → · Contrast checker → · Palette generator →