#3A5FD3#3A5FD3

#3A5FD3 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.6% C 0.184 H 266.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FD3
RGB	rgb(58, 95, 211)
HSL	hsl(225, 63%, 53%)
HSV	hsv(225, 73%, 83%)
CMYK	cmyk(72.5%, 55%, 0%, 17.3%)
CIE-LAB	lab(43.92, 26.65, -63.65)
CIE-LCH	lch(43.92, 69.00, 292.72°)
OKLab	oklab(52.64% -0.0109 -0.1834)
OKLCH	oklch(52.64% 0.184 266.6)
XYZ	xyz(17.5909, 13.7852, 63.3491)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FD3 #D3AE3A

analogous

#3AACD3 #3A5FD3 #613AD3

triadic

#3A5FD3 #D33A5F #5FD33A

tetradic

#3A5FD3 #D33AAC #D3AE3A #3AD361

square

#3A5FD3 #D33AAC #D3AE3A #3AD361

split-complementary

#3A5FD3 #D3613A #ACD33A

monochromatic

#1B3178 #2646AA #3A5FD3 #6C88DE #9EB0E9

Accessibility & contrast

On white

5.59

#3A5FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3A5FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FD3

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FD3	#FFFFFF	#000000	##FFFFFF
##3A5FD3	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD7

Deuteranopia (green-blind)

#0061D1

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3a5fd3;
/* rgb */ color: rgb(58, 95, 211);
/* oklch */ color: oklch(52.6% 0.184 266.6);

Tailwind

colors: {
  custom: {
    50: '#848be1',
    500: '#3a5fd3',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fd3;
$custom-light: #848be1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fd3",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 211
  },
  "hsl": {
    "h": 225.49,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5264,
    "c": 0.18371,
    "h": 266.6
  },
  "luminance": 0.13787
}

Semantic roles & 50–950 ramp

primary

#3A5FD3

secondary

#D6C693

accent

#BF41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A5FD3

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

Preview Lab → · Contrast checker → · Palette generator →