#3E5FBA#3E5FBA

#3E5FBA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.148 H 266.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3E5FBA
RGB	rgb(62, 95, 186)
HSL	hsl(224, 50%, 49%)
HSV	hsv(224, 67%, 73%)
CMYK	cmyk(66.7%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(42.39, 18.16, -51.67)
CIE-LCH	lch(42.39, 54.77, 289.37°)
OKLab	oklab(50.98% -0.0097 -0.1481)
OKLCH	oklch(50.98% 0.148 266.2)
XYZ	xyz(14.9387, 12.7523, 48.1190)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E5FBA #BA993E

analogous

#3E9DBA #3E5FBA #5B3EBA

triadic

#3E5FBA #BA3E5F #5FBA3E

tetradic

#3E5FBA #BA3E9D #BA993E #3EBA5B

square

#3E5FBA #BA3E9D #BA993E #3EBA5B

split-complementary

#3E5FBA #BA5B3E #9DBA3E

monochromatic

#1F305E #2F488C #3E5FBA #6883CD #96A9DC

Accessibility & contrast

On white

5.91

#3E5FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3E5FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E5FBA

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E5FBA	#FFFFFF	#000000	##FFFFFF
##3E5FBA	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6ABD

Deuteranopia (green-blind)

#0E5FB8

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3e5fba;
/* rgb */ color: rgb(62, 95, 186);
/* oklch */ color: oklch(51.0% 0.148 266.2);

Tailwind

colors: {
  custom: {
    50: '#818bcf',
    500: '#3e5fba',
    950: '#000000',
  },
}

SCSS

$custom: #3e5fba;
$custom-light: #818bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3e5fba",
  "rgb": {
    "r": 62,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 224.032,
    "s": 50,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5098,
    "c": 0.1484,
    "h": 266.2
  },
  "luminance": 0.12754
}

Semantic roles & 50–950 ramp

primary

#3E5FBA

secondary

#C8B88C

accent

#B44EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3E5FBA

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

Preview Lab → · Contrast checker → · Palette generator →