#3E73BE#3E73BE

#3E73BE is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.6% C 0.130 H 257.4°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3E73BE
RGB	rgb(62, 115, 190)
HSL	hsl(215, 51%, 49%)
HSV	hsv(215, 67%, 75%)
CMYK	cmyk(67.4%, 39.5%, 0%, 25.5%)
CIE-LAB	lab(48.26, 6.96, -44.60)
CIE-LCH	lch(48.26, 45.14, 278.87°)
OKLab	oklab(55.58% -0.0284 -0.127)
OKLCH	oklch(55.58% 0.13 257.4)
XYZ	xyz(17.4082, 17.0016, 51.0694)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73BE #BE893E

analogous

#3EB3BE #3E73BE #493EBE

triadic

#3E73BE #BE3E73 #73BE3E

tetradic

#3E73BE #BE3EB3 #BE893E #3EBE49

square

#3E73BE #BE3EB3 #BE893E #3EBE49

split-complementary

#3E73BE #BE493E #B3BE3E

monochromatic

#203B62 #2F5790 #3E73BE #6B94CF #99B5DE

Accessibility & contrast

On white

4.77

#3E73BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3E73BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E73BE

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73BE	#FFFFFF	#000000	##FFFFFF
##3E73BE	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5179C1

Deuteranopia (green-blind)

#3E6DBC

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3e73be;
/* rgb */ color: rgb(62, 115, 190);
/* oklch */ color: oklch(55.6% 0.130 257.4);

Tailwind

colors: {
  custom: {
    50: '#819ad2',
    500: '#3e73be',
    950: '#000000',
  },
}

SCSS

$custom: #3e73be;
$custom-light: #819ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73be",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 190
  },
  "hsl": {
    "h": 215.156,
    "s": 50.794,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55581,
    "c": 0.13013,
    "h": 257.4
  },
  "luminance": 0.17003
}

Semantic roles & 50–950 ramp

primary

#3E73BE

secondary

#C9B18E

accent

#A04EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3E73BE

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

Preview Lab → · Contrast checker → · Palette generator →