#3E5FBB#3E5FBB

#3E5FBB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.150 H 266.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3E5FBB
RGB	rgb(62, 95, 187)
HSL	hsl(224, 50%, 49%)
HSV	hsv(224, 67%, 73%)
CMYK	cmyk(66.8%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(42.45, 18.52, -52.15)
CIE-LCH	lch(42.45, 55.34, 289.55°)
OKLab	oklab(51.05% -0.0096 -0.1495)
OKLCH	oklch(51.05% 0.15 266.3)
XYZ	xyz(15.0453, 12.7950, 48.6809)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E5FBB #BB9A3E

analogous

#3E9EBB #3E5FBB #5C3EBB

triadic

#3E5FBB #BB3E5F #5FBB3E

tetradic

#3E5FBB #BB3E9E #BB9A3E #3EBB5C

square

#3E5FBB #BB3E9E #BB9A3E #3EBB5C

split-complementary

#3E5FBB #BB5C3E #9EBB3E

monochromatic

#20305F #2F488D #3E5FBB #6983CD #97A9DC

Accessibility & contrast

On white

5.90

#3E5FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3E5FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E5FBB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E5FBB	#FFFFFF	#000000	##FFFFFF
##3E5FBB	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6ABE

Deuteranopia (green-blind)

#0A5FB9

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3e5fbb;
/* rgb */ color: rgb(62, 95, 187);
/* oklch */ color: oklch(51.1% 0.150 266.3);

Tailwind

colors: {
  custom: {
    50: '#818bd0',
    500: '#3e5fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3e5fbb;
$custom-light: #818bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e5fbb",
  "rgb": {
    "r": 62,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 224.16,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51051,
    "c": 0.1498,
    "h": 266.3
  },
  "luminance": 0.12796
}

Semantic roles & 50–950 ramp

primary

#3E5FBB

secondary

#C8B88D

accent

#B54EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3E5FBB

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

Preview Lab → · Contrast checker → · Palette generator →