#3E53BB#3E53BB

#3E53BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.6% C 0.165 H 270.5°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3E53BB
RGB	rgb(62, 83, 187)
HSL	hsl(230, 50%, 49%)
HSV	hsv(230, 67%, 73%)
CMYK	cmyk(66.8%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(39.24, 26.26, -57.35)
CIE-LCH	lch(39.24, 63.07, 294.60°)
OKLab	oklab(48.62% 0.0014 -0.165)
OKLCH	oklch(48.62% 0.165 270.5)
XYZ	xyz(14.0465, 10.7972, 48.3479)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E53BB #BBA63E

analogous

#3E92BB #3E53BB #683EBB

triadic

#3E53BB #BB3E53 #53BB3E

tetradic

#3E53BB #BB3E92 #BBA63E #3EBB68

square

#3E53BB #BB3E92 #BBA63E #3EBB68

split-complementary

#3E53BB #BB683E #92BB3E

monochromatic

#202A5F #2F3F8D #3E53BB #697ACD #97A3DC

Accessibility & contrast

On white

6.65

#3E53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3E53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E53BB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E53BB	#FFFFFF	#000000	##FFFFFF
##3E53BB	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3e53bb;
/* rgb */ color: rgb(62, 83, 187);
/* oklch */ color: oklch(48.6% 0.165 270.5);

Tailwind

colors: {
  custom: {
    50: '#8183d0',
    500: '#3e53bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e53bb;
$custom-light: #8183d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e53bb",
  "rgb": {
    "r": 62,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 229.92,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4862,
    "c": 0.16496,
    "h": 270.5
  },
  "luminance": 0.10799
}

Semantic roles & 50–950 ramp

primary

#3E53BB

secondary

#C8BE8D

accent

#C24EDA

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3E53BB

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

Preview Lab → · Contrast checker → · Palette generator →