#3E5FBC#3E5FBC

#3E5FBC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.151 H 266.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3E5FBC
RGB	rgb(62, 95, 188)
HSL	hsl(224, 50%, 49%)
HSV	hsv(224, 67%, 74%)
CMYK	cmyk(67%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(42.52, 18.88, -52.63)
CIE-LCH	lch(42.52, 55.91, 289.74°)
OKLab	oklab(51.12% -0.0095 -0.1509)
OKLCH	oklch(51.12% 0.151 266.4)
XYZ	xyz(15.1528, 12.8379, 49.2466)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E5FBC #BC9B3E

analogous

#3E9EBC #3E5FBC #5C3EBC

triadic

#3E5FBC #BC3E5F #5FBC3E

tetradic

#3E5FBC #BC3E9E #BC9B3E #3EBC5C

square

#3E5FBC #BC3E9E #BC9B3E #3EBC5C

split-complementary

#3E5FBC #BC5C3E #9EBC3E

monochromatic

#203060 #2F488E #3E5FBC #6A84CE #98AADD

Accessibility & contrast

On white

5.89

#3E5FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3E5FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E5FBC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E5FBC	#FFFFFF	#000000	##FFFFFF
##3E5FBC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6ABF

Deuteranopia (green-blind)

#055FBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3e5fbc;
/* rgb */ color: rgb(62, 95, 188);
/* oklch */ color: oklch(51.1% 0.151 266.4);

Tailwind

colors: {
  custom: {
    50: '#818bd1',
    500: '#3e5fbc',
    950: '#000000',
  },
}

SCSS

$custom: #3e5fbc;
$custom-light: #818bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e5fbc",
  "rgb": {
    "r": 62,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 224.286,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51121,
    "c": 0.15119,
    "h": 266.4
  },
  "luminance": 0.12839
}

Semantic roles & 50–950 ramp

primary

#3E5FBC

secondary

#C9B98D

accent

#B54EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3E5FBC

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

Preview Lab → · Contrast checker → · Palette generator →