#3F7CD1#3F7CD1

#3F7CD1 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.8% C 0.145 H 257.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CD1
RGB	rgb(63, 124, 209)
HSL	hsl(215, 61%, 53%)
HSV	hsv(215, 70%, 82%)
CMYK	cmyk(69.9%, 40.7%, 0%, 18%)
CIE-LAB	lab(51.92, 8.37, -49.63)
CIE-LCH	lch(51.92, 50.33, 279.57°)
OKLab	oklab(58.78% -0.0321 -0.1416)
OKLCH	oklch(58.78% 0.145 257.2)
XYZ	xyz(20.7620, 20.0733, 63.0896)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CD1 #D1943F

analogous

#3FC5D1 #3F7CD1 #4B3FD1

triadic

#3F7CD1 #D13F7C #7CD13F

tetradic

#3F7CD1 #D13FC5 #D1943F #3FD14B

square

#3F7CD1 #D13FC5 #D1943F #3FD14B

split-complementary

#3F7CD1 #D14B3F #C5D13F

monochromatic

#1D4379 #295FAA #3F7CD1 #709EDD #A2BFE9

Accessibility & contrast

On white

4.19

#3F7CD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#3F7CD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CD1

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CD1	#FFFFFF	#000000	##000000
##3F7CD1	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5483D4

Deuteranopia (green-blind)

#3D76CF

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7cd1;
/* rgb */ color: rgb(63, 124, 209);
/* oklch */ color: oklch(58.8% 0.145 257.2);

Tailwind

colors: {
  custom: {
    50: '#85a1df',
    500: '#3f7cd1',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cd1;
$custom-light: #85a1df;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cd1",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 209
  },
  "hsl": {
    "h": 214.932,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58776,
    "c": 0.14522,
    "h": 257.2
  },
  "luminance": 0.20076
}

Semantic roles & 50–950 ramp

primary

#3F7CD1

secondary

#D5BB97

accent

#A143E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3F7CD1

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

Preview Lab → · Contrast checker → · Palette generator →