#3E57D3#3E57D3

#3E57D3 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.192 H 269.6°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3E57D3
RGB	rgb(62, 87, 211)
HSL	hsl(230, 63%, 54%)
HSV	hsv(230, 71%, 83%)
CMYK	cmyk(70.6%, 58.8%, 0%, 17.3%)
CIE-LAB	lab(42.06, 32.25, -66.66)
CIE-LCH	lch(42.06, 74.05, 295.82°)
OKLab	oklab(51.3% -0.0013 -0.1923)
OKLCH	oklch(51.3% 0.192 269.6)
XYZ	xyz(17.1486, 12.5419, 63.1325)
Luminance	0.1254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57D3 #D3BA3E

analogous

#3EA1D3 #3E57D3 #6F3ED3

triadic

#3E57D3 #D33E57 #57D33E

tetradic

#3E57D3 #D33EA1 #D3BA3E #3ED36F

square

#3E57D3 #D33EA1 #D3BA3E #3ED36F

split-complementary

#3E57D3 #D36F3E #A1D33E

monochromatic

#1C2C7B #273EAC #3E57D3 #7082DE #A2AEEA

Accessibility & contrast

On white

5.98

#3E57D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#3E57D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57D3

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57D3	#FFFFFF	#000000	##FFFFFF
##3E57D3	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD7

Deuteranopia (green-blind)

#005DD1

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3e57d3;
/* rgb */ color: rgb(62, 87, 211);
/* oklch */ color: oklch(51.3% 0.192 269.6);

Tailwind

colors: {
  custom: {
    50: '#8686e1',
    500: '#3e57d3',
    950: '#000000',
  },
}

SCSS

$custom: #3e57d3;
$custom-light: #8686e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57d3",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 211
  },
  "hsl": {
    "h": 229.933,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.513,
    "c": 0.19228,
    "h": 269.6
  },
  "luminance": 0.12544
}

Semantic roles & 50–950 ramp

primary

#3E57D3

secondary

#D6CC96

accent

#CA42E6

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #3E57D3

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

Preview Lab → · Contrast checker → · Palette generator →