#3B5CD0#3B5CD0

#3B5CD0 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.183 H 267.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B5CD0
RGB	rgb(59, 92, 208)
HSL	hsl(227, 61%, 52%)
HSV	hsv(227, 72%, 82%)
CMYK	cmyk(71.6%, 55.8%, 0%, 18.4%)
CIE-LAB	lab(42.97, 27.61, -63.48)
CIE-LCH	lch(42.97, 69.22, 293.50°)
OKLab	oklab(51.87% -0.0079 -0.1829)
OKLCH	oklch(51.87% 0.183 267.5)
XYZ	xyz(17.0120, 13.1364, 61.3013)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5CD0 #D0AF3B

analogous

#3BA7D0 #3B5CD0 #643BD0

triadic

#3B5CD0 #D03B5C #5CD03B

tetradic

#3B5CD0 #D03BA7 #D0AF3B #3BD064

square

#3B5CD0 #D03BA7 #D0AF3B #3BD064

split-complementary

#3B5CD0 #D0643B #A7D03B

monochromatic

#1C3075 #2844A6 #3B5CD0 #6C85DC #9EAEE8

Accessibility & contrast

On white

5.79

#3B5CD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3B5CD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5CD0

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5CD0	#FFFFFF	#000000	##FFFFFF
##3B5CD0	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3b5cd0;
/* rgb */ color: rgb(59, 92, 208);
/* oklch */ color: oklch(51.9% 0.183 267.5);

Tailwind

colors: {
  custom: {
    50: '#8489df',
    500: '#3b5cd0',
    950: '#000000',
  },
}

SCSS

$custom: #3b5cd0;
$custom-light: #8489df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5cd0",
  "rgb": {
    "r": 59,
    "g": 92,
    "b": 208
  },
  "hsl": {
    "h": 226.711,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51865,
    "c": 0.18308,
    "h": 267.5
  },
  "luminance": 0.13138
}

Semantic roles & 50–950 ramp

primary

#3B5CD0

secondary

#D4C593

accent

#C143E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5CD0

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

Preview Lab → · Contrast checker → · Palette generator →