#3A5CD3#3A5CD3

#3A5CD3 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.187 H 267.4°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A5CD3
RGB	rgb(58, 92, 211)
HSL	hsl(227, 63%, 53%)
HSV	hsv(227, 73%, 83%)
CMYK	cmyk(72.5%, 56.4%, 0%, 17.3%)
CIE-LAB	lab(43.15, 28.57, -64.91)
CIE-LCH	lch(43.15, 70.92, 293.75°)
OKLab	oklab(52.05% -0.0086 -0.1872)
OKLCH	oklch(52.05% 0.187 267.4)
XYZ	xyz(17.3259, 13.2551, 63.2608)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5CD3 #D3B13A

analogous

#3AA8D3 #3A5CD3 #653AD3

triadic

#3A5CD3 #D33A5C #5CD33A

tetradic

#3A5CD3 #D33AA8 #D3B13A #3AD365

square

#3A5CD3 #D33AA8 #D3B13A #3AD365

split-complementary

#3A5CD3 #D3653A #A8D33A

monochromatic

#1B2F78 #2643AA #3A5CD3 #6C85DE #9EAFE9

Accessibility & contrast

On white

5.75

#3A5CD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3A5CD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5CD3

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5CD3	#FFFFFF	#000000	##FFFFFF
##3A5CD3	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD7

Deuteranopia (green-blind)

#005FD1

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3a5cd3;
/* rgb */ color: rgb(58, 92, 211);
/* oklch */ color: oklch(52.1% 0.187 267.4);

Tailwind

colors: {
  custom: {
    50: '#8489e1',
    500: '#3a5cd3',
    950: '#000000',
  },
}

SCSS

$custom: #3a5cd3;
$custom-light: #8489e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5cd3",
  "rgb": {
    "r": 58,
    "g": 92,
    "b": 211
  },
  "hsl": {
    "h": 226.667,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.52055,
    "c": 0.18736,
    "h": 267.4
  },
  "luminance": 0.13257
}

Semantic roles & 50–950 ramp

primary

#3A5CD3

secondary

#D6C793

accent

#C241E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A5CD3

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

Preview Lab → · Contrast checker → · Palette generator →