#3E73DB#3E73DB

#3E73DB is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.5% C 0.169 H 262.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3E73DB
RGB	rgb(62, 115, 219)
HSL	hsl(220, 69%, 55%)
HSV	hsv(220, 72%, 86%)
CMYK	cmyk(71.7%, 47.5%, 0%, 14.1%)
CIE-LAB	lab(49.98, 17.41, -58.41)
CIE-LCH	lch(49.98, 60.95, 286.60°)
OKLab	oklab(57.46% -0.0231 -0.1676)
OKLCH	oklch(57.46% 0.169 262.2)
XYZ	xyz(20.8990, 18.3978, 69.4538)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73DB #DBA63E

analogous

#3EC2DB #3E73DB #573EDB

triadic

#3E73DB #DB3E73 #73DB3E

tetradic

#3E73DB #DB3EC2 #DBA63E #3EDB57

square

#3E73DB #DB3EC2 #DBA63E #3EDB57

split-complementary

#3E73DB #DB573E #C2DB3E

monochromatic

#193E86 #2355B9 #3E73DB #7298E5 #A5BEEE

Accessibility & contrast

On white

4.49

#3E73DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3E73DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E73DB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73DB	#FFFFFF	#000000	##000000
##3E73DB	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7FDF

Deuteranopia (green-blind)

#0C70D9

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3e73db;
/* rgb */ color: rgb(62, 115, 219);
/* oklch */ color: oklch(57.5% 0.169 262.2);

Tailwind

colors: {
  custom: {
    50: '#869ae7',
    500: '#3e73db',
    950: '#000000',
  },
}

SCSS

$custom: #3e73db;
$custom-light: #869ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73db",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 219
  },
  "hsl": {
    "h": 219.745,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57456,
    "c": 0.16917,
    "h": 262.2
  },
  "luminance": 0.184
}

Semantic roles & 50–950 ramp

primary

#3E73DB

secondary

#DBC599

accent

#B03CEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3E73DB

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

Preview Lab → · Contrast checker → · Palette generator →