#3F7FD7#3F7FD7

#3F7FD7 is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.8% C 0.150 H 257.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FD7
RGB	rgb(63, 127, 215)
HSL	hsl(215, 66%, 55%)
HSV	hsv(215, 71%, 84%)
CMYK	cmyk(70.7%, 40.9%, 0%, 15.7%)
CIE-LAB	lab(53.10, 8.68, -51.14)
CIE-LCH	lch(53.10, 51.87, 279.63°)
OKLab	oklab(59.8% -0.0336 -0.146)
OKLCH	oklch(59.8% 0.15 257)
XYZ	xyz(21.9005, 21.1395, 67.2029)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FD7 #D7973F

analogous

#3FCBD7 #3F7FD7 #4B3FD7

triadic

#3F7FD7 #D73F7F #7FD73F

tetradic

#3F7FD7 #D73FCB #D7973F #3FD74B

square

#3F7FD7 #D73FCB #D7973F #3FD74B

split-complementary

#3F7FD7 #D74B3F #CBD73F

monochromatic

#1B4681 #2561B3 #3F7FD7 #72A1E2 #A4C3EC

Accessibility & contrast

On white

4.02

#3F7FD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3F7FD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FD7

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FD7	#FFFFFF	#000000	##000000
##3F7FD7	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5586DA

Deuteranopia (green-blind)

#3D78D5

Tritanopia (blue-blind)

#0094A0

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f7fd7;
/* rgb */ color: rgb(63, 127, 215);
/* oklch */ color: oklch(59.8% 0.150 257.0);

Tailwind

colors: {
  custom: {
    50: '#86a3e4',
    500: '#3f7fd7',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fd7;
$custom-light: #86a3e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fd7",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 215
  },
  "hsl": {
    "h": 214.737,
    "s": 65.517,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59802,
    "c": 0.14983,
    "h": 257
  },
  "luminance": 0.21142
}

Semantic roles & 50–950 ramp

primary

#3F7FD7

secondary

#D9BE99

accent

#A13FE8

background

#F8FAFE

surface

#F0F3FC

border

#CBCDD5

text

#0C0F15

muted

#7D7F84

Preview Lab

Preview with #3F7FD7

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

Preview Lab → · Contrast checker → · Palette generator →