#3B5ECD#3B5ECD

#3B5ECD is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.177 H 266.9°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3B5ECD
RGB	rgb(59, 94, 205)
HSL	hsl(226, 59%, 52%)
HSV	hsv(226, 71%, 80%)
CMYK	cmyk(71.2%, 54.1%, 0%, 19.6%)
CIE-LAB	lab(43.27, 25.24, -61.26)
CIE-LCH	lch(43.27, 66.25, 292.39°)
OKLab	oklab(52.03% -0.0097 -0.1764)
OKLCH	oklch(52.03% 0.177 266.9)
XYZ	xyz(16.8219, 13.3412, 59.4343)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5ECD #CDAA3B

analogous

#3BA7CD #3B5ECD #613BCD

triadic

#3B5ECD #CD3B5E #5ECD3B

tetradic

#3B5ECD #CD3BA7 #CDAA3B #3BCD61

square

#3B5ECD #CD3BA7 #CDAA3B #3BCD61

split-complementary

#3B5ECD #CD613B #A7CD3B

monochromatic

#1D3171 #2946A2 #3B5ECD #6C86D9 #9DAEE6

Accessibility & contrast

On white

5.72

#3B5ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3B5ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5ECD

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5ECD	#FFFFFF	#000000	##FFFFFF
##3B5ECD	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD1

Deuteranopia (green-blind)

#0060CB

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3b5ecd;
/* rgb */ color: rgb(59, 94, 205);
/* oklch */ color: oklch(52.0% 0.177 266.9);

Tailwind

colors: {
  custom: {
    50: '#838bdd',
    500: '#3b5ecd',
    950: '#000000',
  },
}

SCSS

$custom: #3b5ecd;
$custom-light: #838bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5ecd",
  "rgb": {
    "r": 59,
    "g": 94,
    "b": 205
  },
  "hsl": {
    "h": 225.616,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52026,
    "c": 0.17662,
    "h": 266.9
  },
  "luminance": 0.13343
}

Semantic roles & 50–950 ramp

primary

#3B5ECD

secondary

#D2C392

accent

#BD45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5ECD

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

Preview Lab → · Contrast checker → · Palette generator →