#3E57D9#3E57D9

#3E57D9 is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 51.8% C 0.200 H 269.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3E57D9
RGB	rgb(62, 87, 217)
HSL	hsl(230, 67%, 55%)
HSV	hsv(230, 71%, 85%)
CMYK	cmyk(71.4%, 59.9%, 0%, 14.9%)
CIE-LAB	lab(42.53, 34.38, -69.33)
CIE-LCH	lch(42.53, 77.39, 296.37°)
OKLab	oklab(51.8% -0.0013 -0.2001)
OKLCH	oklch(51.8% 0.2 269.6)
XYZ	xyz(17.9149, 12.8484, 67.1680)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57D9 #D9C03E

analogous

#3EA4D9 #3E57D9 #733ED9

triadic

#3E57D9 #D93E57 #57D93E

tetradic

#3E57D9 #D93EA4 #D9C03E #3ED973

square

#3E57D9 #D93EA4 #D9C03E #3ED973

split-complementary

#3E57D9 #D9733E #A4D93E

monochromatic

#1A2B83 #243BB6 #3E57D9 #7184E3 #A4B0ED

Accessibility & contrast

On white

5.88

#3E57D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3E57D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57D9

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57D9	#FFFFFF	#000000	##FFFFFF
##3E57D9	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)

#006CDD

Deuteranopia (green-blind)

#005DD6

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3e57d9;
/* rgb */ color: rgb(62, 87, 217);
/* oklch */ color: oklch(51.8% 0.200 269.6);

Tailwind

colors: {
  custom: {
    50: '#8786e6',
    500: '#3e57d9',
    950: '#000000',
  },
}

SCSS

$custom: #3e57d9;
$custom-light: #8786e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57d9",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 217
  },
  "hsl": {
    "h": 230.323,
    "s": 67.1,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51795,
    "c": 0.20012,
    "h": 269.6
  },
  "luminance": 0.1285
}

Semantic roles & 50–950 ramp

primary

#3E57D9

secondary

#DAD099

accent

#CE3EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3E57D9

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

Preview Lab → · Contrast checker → · Palette generator →