#3E73BF#3E73BF

#3E73BF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.6% C 0.131 H 257.6°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3E73BF
RGB	rgb(62, 115, 191)
HSL	hsl(215, 51%, 50%)
HSV	hsv(215, 68%, 75%)
CMYK	cmyk(67.5%, 39.8%, 0%, 25.1%)
CIE-LAB	lab(48.32, 7.32, -45.08)
CIE-LCH	lch(48.32, 45.67, 279.22°)
OKLab	oklab(55.64% -0.0282 -0.1284)
OKLCH	oklch(55.64% 0.131 257.6)
XYZ	xyz(17.5179, 17.0454, 51.6470)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73BF #BF8A3E

analogous

#3EB4BF #3E73BF #4A3EBF

triadic

#3E73BF #BF3E73 #73BF3E

tetradic

#3E73BF #BF3EB4 #BF8A3E #3EBF4A

square

#3E73BF #BF3EB4 #BF8A3E #3EBF4A

split-complementary

#3E73BF #BF4A3E #B4BF3E

monochromatic

#203B63 #2F5791 #3E73BF #6B94CF #99B6DE

Accessibility & contrast

On white

4.76

#3E73BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3E73BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E73BF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73BF	#FFFFFF	#000000	##FFFFFF
##3E73BF	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5079C2

Deuteranopia (green-blind)

#3D6DBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3e73bf;
/* rgb */ color: rgb(62, 115, 191);
/* oklch */ color: oklch(55.6% 0.131 257.6);

Tailwind

colors: {
  custom: {
    50: '#819ad3',
    500: '#3e73bf',
    950: '#000000',
  },
}

SCSS

$custom: #3e73bf;
$custom-light: #819ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73bf",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 191
  },
  "hsl": {
    "h": 215.349,
    "s": 50.988,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55642,
    "c": 0.13149,
    "h": 257.6
  },
  "luminance": 0.17047
}

Semantic roles & 50–950 ramp

primary

#3E73BF

secondary

#CAB28F

accent

#A04DDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3E73BF

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

Preview Lab → · Contrast checker → · Palette generator →