#3E50CB#3E50CB

#3E50CB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.3% C 0.190 H 271.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3E50CB
RGB	rgb(62, 80, 203)
HSL	hsl(232, 58%, 52%)
HSV	hsv(232, 69%, 80%)
CMYK	cmyk(69.5%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(39.70, 33.85, -65.90)
CIE-LCH	lch(39.70, 74.09, 297.18°)
OKLab	oklab(49.35% 0.004 -0.1901)
OKLCH	oklch(49.35% 0.19 271.2)
XYZ	xyz(15.6311, 11.0717, 57.8016)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E50CB #CBB93E

analogous

#3E97CB #3E50CB #723ECB

triadic

#3E50CB #CB3E50 #50CB3E

tetradic

#3E50CB #CB3E97 #CBB93E #3ECB72

square

#3E50CB #CB3E97 #CBB93E #3ECB72

split-complementary

#3E50CB #CB723E #97CB3E

monochromatic

#1E2970 #2B3AA1 #3E50CB #6E7CD8 #9EA7E5

Accessibility & contrast

On white

6.53

#3E50CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3E50CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E50CB

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E50CB	#FFFFFF	#000000	##FFFFFF
##3E50CB	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#0057C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3e50cb;
/* rgb */ color: rgb(62, 80, 203);
/* oklch */ color: oklch(49.3% 0.190 271.2);

Tailwind

colors: {
  custom: {
    50: '#8581dc',
    500: '#3e50cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e50cb;
$custom-light: #8581dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e50cb",
  "rgb": {
    "r": 62,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 232.34,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49349,
    "c": 0.19017,
    "h": 271.2
  },
  "luminance": 0.11073
}

Semantic roles & 50–950 ramp

primary

#3E50CB

secondary

#D1C994

accent

#CD47E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3E50CB

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

Preview Lab → · Contrast checker → · Palette generator →