#3F5EC0#3F5EC0

#3F5EC0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.158 H 267.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EC0
RGB	rgb(63, 94, 192)
HSL	hsl(226, 51%, 50%)
HSV	hsv(226, 67%, 75%)
CMYK	cmyk(67.2%, 51%, 0%, 24.7%)
CIE-LAB	lab(42.56, 21.13, -54.88)
CIE-LCH	lch(42.56, 58.81, 291.05°)
OKLab	oklab(51.25% -0.0072 -0.1575)
OKLCH	oklch(51.25% 0.158 267.4)
XYZ	xyz(15.5637, 12.8664, 51.5222)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EC0 #C0A13F

analogous

#3F9FC0 #3F5EC0 #603FC0

triadic

#3F5EC0 #C03F5E #5EC03F

tetradic

#3F5EC0 #C03F9F #C0A13F #3FC060

square

#3F5EC0 #C03F9F #C0A13F #3FC060

split-complementary

#3F5EC0 #C0603F #9FC03F

monochromatic

#213164 #304792 #3F5EC0 #6D85CF #9BABDE

Accessibility & contrast

On white

5.88

#3F5EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3F5EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EC0

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EC0	#FFFFFF	#000000	##FFFFFF
##3F5EC0	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246BC4

Deuteranopia (green-blind)

#005FBE

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f5ec0;
/* rgb */ color: rgb(63, 94, 192);
/* oklch */ color: oklch(51.3% 0.158 267.4);

Tailwind

colors: {
  custom: {
    50: '#828bd4',
    500: '#3f5ec0',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ec0;
$custom-light: #828bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ec0",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 192
  },
  "hsl": {
    "h": 225.581,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.51253,
    "c": 0.15768,
    "h": 267.4
  },
  "luminance": 0.12868
}

Semantic roles & 50–950 ramp

primary

#3F5EC0

secondary

#CABC91

accent

#B84EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3F5EC0

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

Preview Lab → · Contrast checker → · Palette generator →