#3F5EDA#3F5EDA

#3F5EDA is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.2% C 0.193 H 268.4°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EDA
RGB	rgb(63, 94, 218)
HSL	hsl(228, 68%, 55%)
HSV	hsv(228, 71%, 85%)
CMYK	cmyk(71.1%, 56.9%, 0%, 14.5%)
CIE-LAB	lab(44.41, 30.44, -66.85)
CIE-LCH	lch(44.41, 73.46, 294.49°)
OKLab	oklab(53.23% -0.0054 -0.1927)
OKLCH	oklch(53.23% 0.193 268.4)
XYZ	xyz(18.7031, 14.1222, 68.0562)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EDA #DABB3F

analogous

#3FACDA #3F5EDA #6D3FDA

triadic

#3F5EDA #DA3F5E #5EDA3F

tetradic

#3F5EDA #DA3FAC #DABB3F #3FDA6D

square

#3F5EDA #DA3FAC #DABB3F #3FDA6D

split-complementary

#3F5EDA #DA6D3F #ACDA3F

monochromatic

#1A2F85 #2441B8 #3F5EDA #7289E4 #A6B4EE

Accessibility & contrast

On white

5.49

#3F5EDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3F5EDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EDA

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EDA	#FFFFFF	#000000	##FFFFFF
##3F5EDA	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DE

Deuteranopia (green-blind)

#0062D8

Tritanopia (blue-blind)

#007D93

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3f5eda;
/* rgb */ color: rgb(63, 94, 218);
/* oklch */ color: oklch(53.2% 0.193 268.4);

Tailwind

colors: {
  custom: {
    50: '#888be6',
    500: '#3f5eda',
    950: '#000000',
  },
}

SCSS

$custom: #3f5eda;
$custom-light: #888be6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5eda",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 218
  },
  "hsl": {
    "h": 228,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53228,
    "c": 0.1928,
    "h": 268.4
  },
  "luminance": 0.14124
}

Semantic roles & 50–950 ramp

primary

#3F5EDA

secondary

#DBCE9A

accent

#C83DEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3F5EDA

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

Preview Lab → · Contrast checker → · Palette generator →