#3B5BCD#3B5BCD

#3B5BCD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.180 H 267.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3B5BCD
RGB	rgb(59, 91, 205)
HSL	hsl(227, 59%, 52%)
HSV	hsv(227, 71%, 80%)
CMYK	cmyk(71.2%, 55.6%, 0%, 19.6%)
CIE-LAB	lab(42.49, 27.16, -62.53)
CIE-LCH	lch(42.49, 68.17, 293.48°)
OKLab	oklab(51.43% -0.0073 -0.1801)
OKLCH	oklch(51.43% 0.18 267.7)
XYZ	xyz(16.5603, 12.8180, 59.3471)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5BCD #CDAD3B

analogous

#3BA4CD #3B5BCD #643BCD

triadic

#3B5BCD #CD3B5B #5BCD3B

tetradic

#3B5BCD #CD3BA4 #CDAD3B #3BCD64

square

#3B5BCD #CD3BA4 #CDAD3B #3BCD64

split-complementary

#3B5BCD #CD643B #A4CD3B

monochromatic

#1D2F71 #2944A2 #3B5BCD #6C84D9 #9DADE6

Accessibility & contrast

On white

5.89

#3B5BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3B5BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5BCD

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5BCD	#FFFFFF	#000000	##FFFFFF
##3B5BCD	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b5bcd;
/* rgb */ color: rgb(59, 91, 205);
/* oklch */ color: oklch(51.4% 0.180 267.7);

Tailwind

colors: {
  custom: {
    50: '#8389dd',
    500: '#3b5bcd',
    950: '#000000',
  },
}

SCSS

$custom: #3b5bcd;
$custom-light: #8389dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5bcd",
  "rgb": {
    "r": 59,
    "g": 91,
    "b": 205
  },
  "hsl": {
    "h": 226.849,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51435,
    "c": 0.1803,
    "h": 267.7
  },
  "luminance": 0.1282
}

Semantic roles & 50–950 ramp

primary

#3B5BCD

secondary

#D2C492

accent

#C045E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5BCD

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

Preview Lab → · Contrast checker → · Palette generator →