#3F7EE6#3F7EE6

#3F7EE6 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.5% C 0.171 H 259.9°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EE6
RGB	rgb(63, 126, 230)
HSL	hsl(217, 77%, 57%)
HSV	hsv(217, 73%, 90%)
CMYK	cmyk(72.6%, 45.2%, 0%, 9.8%)
CIE-LAB	lab(53.70, 14.69, -58.62)
CIE-LCH	lch(53.70, 60.43, 284.07°)
OKLab	oklab(60.54% -0.0299 -0.168)
OKLCH	oklch(60.54% 0.171 259.9)
XYZ	xyz(23.7885, 21.6890, 77.7803)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EE6 #E6A73F

analogous

#3FD2E6 #3F7EE6 #533FE6

triadic

#3F7EE6 #E63F7E #7EE63F

tetradic

#3F7EE6 #E63FD2 #E6A73F #3FE653

square

#3F7EE6 #E63FD2 #E6A73F #3FE653

split-complementary

#3F7EE6 #E6533F #D2E63F

monochromatic

#144597 #1B5ECD #3F7EE6 #75A2ED #ABC7F4

Accessibility & contrast

On white

3.93

#3F7EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3F7EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EE6

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EE6	#FFFFFF	#000000	##000000
##3F7EE6	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4889EA

Deuteranopia (green-blind)

#2479E4

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f7ee6;
/* rgb */ color: rgb(63, 126, 230);
/* oklch */ color: oklch(60.5% 0.171 259.9);

Tailwind

colors: {
  custom: {
    50: '#88a2ee',
    500: '#3f7ee6',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ee6;
$custom-light: #88a2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ee6",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 230
  },
  "hsl": {
    "h": 217.365,
    "s": 76.959,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60543,
    "c": 0.17064,
    "h": 259.9
  },
  "luminance": 0.21692
}

Semantic roles & 50–950 ramp

primary

#3F7EE6

secondary

#E2C99F

accent

#AB34F4

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #3F7EE6

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

Preview Lab → · Contrast checker → · Palette generator →