#3E45BA#3E45BA

#3E45BA is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.9% C 0.181 H 274.1°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3E45BA
RGB	rgb(62, 69, 186)
HSL	hsl(237, 50%, 49%)
HSV	hsv(237, 67%, 73%)
CMYK	cmyk(66.7%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(35.64, 34.84, -62.61)
CIE-LCH	lch(35.64, 71.65, 299.10°)
OKLab	oklab(45.93% 0.0131 -0.1805)
OKLCH	oklch(45.93% 0.181 274.1)
XYZ	xyz(12.9747, 8.8244, 47.4644)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E45BA #BAB33E

analogous

#3E83BA #3E45BA #753EBA

triadic

#3E45BA #BA3E45 #45BA3E

tetradic

#3E45BA #BA3E83 #BAB33E #3EBA75

square

#3E45BA #BA3E83 #BAB33E #3EBA75

split-complementary

#3E45BA #BA753E #83BA3E

monochromatic

#1F235E #2F348C #3E45BA #686ECD #969ADC

Accessibility & contrast

On white

7.59

#3E45BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3E45BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E45BA

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E45BA	#FFFFFF	#000000	##FFFFFF
##3E45BA	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004EB8

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3e45ba;
/* rgb */ color: rgb(62, 69, 186);
/* oklch */ color: oklch(45.9% 0.181 274.1);

Tailwind

colors: {
  custom: {
    50: '#8279d0',
    500: '#3e45ba',
    950: '#000000',
  },
}

SCSS

$custom: #3e45ba;
$custom-light: #8279d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e45ba",
  "rgb": {
    "r": 62,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 236.613,
    "s": 50,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45929,
    "c": 0.18101,
    "h": 274.1
  },
  "luminance": 0.08826
}

Semantic roles & 50–950 ramp

primary

#3E45BA

secondary

#C8C48C

accent

#D24EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E45BA

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

Preview Lab → · Contrast checker → · Palette generator →