#3E57BF#3E57BF

#3E57BF is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.165 H 269.3°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3E57BF
RGB	rgb(62, 87, 191)
HSL	hsl(228, 51%, 50%)
HSV	hsv(228, 68%, 75%)
CMYK	cmyk(67.5%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(40.57, 25.11, -57.52)
CIE-LCH	lch(40.57, 62.76, 293.59°)
OKLab	oklab(49.72% -0.0019 -0.1654)
OKLCH	oklch(49.72% 0.165 269.3)
XYZ	xyz(14.7956, 11.6007, 50.7395)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57BF #BFA63E

analogous

#3E98BF #3E57BF #663EBF

triadic

#3E57BF #BF3E57 #57BF3E

tetradic

#3E57BF #BF3E98 #BFA63E #3EBF66

square

#3E57BF #BF3E98 #BFA63E #3EBF66

split-complementary

#3E57BF #BF663E #98BF3E

monochromatic

#202D63 #2F4291 #3E57BF #6B7FCF #99A7DE

Accessibility & contrast

On white

6.32

#3E57BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3E57BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57BF

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57BF	#FFFFFF	#000000	##FFFFFF
##3E57BF	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0366C3

Deuteranopia (green-blind)

#005ABD

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3e57bf;
/* rgb */ color: rgb(62, 87, 191);
/* oklch */ color: oklch(49.7% 0.165 269.3);

Tailwind

colors: {
  custom: {
    50: '#8286d3',
    500: '#3e57bf',
    950: '#000000',
  },
}

SCSS

$custom: #3e57bf;
$custom-light: #8286d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57bf",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 228.372,
    "s": 50.988,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49716,
    "c": 0.1654,
    "h": 269.3
  },
  "luminance": 0.11602
}

Semantic roles & 50–950 ramp

primary

#3E57BF

secondary

#CABE8F

accent

#BF4DDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3E57BF

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

Preview Lab → · Contrast checker → · Palette generator →