#3E54BB#3E54BB

#3E54BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.164 H 270.2°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3E54BB
RGB	rgb(62, 84, 187)
HSL	hsl(229, 50%, 49%)
HSV	hsv(229, 67%, 73%)
CMYK	cmyk(66.8%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(39.50, 25.62, -56.92)
CIE-LCH	lch(39.50, 62.42, 294.23°)
OKLab	oklab(48.82% 0.0005 -0.1637)
OKLCH	oklch(48.82% 0.164 270.2)
XYZ	xyz(14.1235, 10.9513, 48.3736)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E54BB #BBA53E

analogous

#3E93BB #3E54BB #673EBB

triadic

#3E54BB #BB3E54 #54BB3E

tetradic

#3E54BB #BB3E93 #BBA53E #3EBB67

square

#3E54BB #BB3E93 #BBA53E #3EBB67

split-complementary

#3E54BB #BB673E #93BB3E

monochromatic

#202B5F #2F3F8D #3E54BB #697BCD #97A3DC

Accessibility & contrast

On white

6.58

#3E54BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3E54BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E54BB

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E54BB	#FFFFFF	#000000	##FFFFFF
##3E54BB	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3e54bb;
/* rgb */ color: rgb(62, 84, 187);
/* oklch */ color: oklch(48.8% 0.164 270.2);

Tailwind

colors: {
  custom: {
    50: '#8183d0',
    500: '#3e54bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e54bb;
$custom-light: #8183d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e54bb",
  "rgb": {
    "r": 62,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 229.44,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48816,
    "c": 0.16369,
    "h": 270.2
  },
  "luminance": 0.10953
}

Semantic roles & 50–950 ramp

primary

#3E54BB

secondary

#C8BE8D

accent

#C14EDA

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3E54BB

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

Preview Lab → · Contrast checker → · Palette generator →