#3F7ED5#3F7ED5

#3F7ED5 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.5% C 0.148 H 257.1°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F7ED5
RGB	rgb(63, 126, 213)
HSL	hsl(215, 64%, 54%)
HSV	hsv(215, 70%, 84%)
CMYK	cmyk(70.4%, 40.8%, 0%, 16.5%)
CIE-LAB	lab(52.71, 8.57, -50.64)
CIE-LCH	lch(52.71, 51.36, 279.61°)
OKLab	oklab(59.46% -0.0331 -0.1446)
OKLCH	oklch(59.46% 0.148 257.1)
XYZ	xyz(21.5166, 20.7803, 65.8149)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7ED5 #D5963F

analogous

#3FC9D5 #3F7ED5 #4B3FD5

triadic

#3F7ED5 #D53F7E #7ED53F

tetradic

#3F7ED5 #D53FC9 #D5963F #3FD54B

square

#3F7ED5 #D53FC9 #D5963F #3FD54B

split-complementary

#3F7ED5 #D54B3F #C9D53F

monochromatic

#1C457E #2760B0 #3F7ED5 #71A0E0 #A3C1EB

Accessibility & contrast

On white

4.07

#3F7ED5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#3F7ED5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7ED5

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7ED5	#FFFFFF	#000000	##000000
##3F7ED5	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5585D8

Deuteranopia (green-blind)

#3D77D3

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f7ed5;
/* rgb */ color: rgb(63, 126, 213);
/* oklch */ color: oklch(59.5% 0.148 257.1);

Tailwind

colors: {
  custom: {
    50: '#85a2e2',
    500: '#3f7ed5',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ed5;
$custom-light: #85a2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ed5",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 213
  },
  "hsl": {
    "h": 214.8,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5946,
    "c": 0.1483,
    "h": 257.1
  },
  "luminance": 0.20783
}

Semantic roles & 50–950 ramp

primary

#3F7ED5

secondary

#D8BD98

accent

#A141E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7ED5

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

Preview Lab → · Contrast checker → · Palette generator →