#3A5BD3#3A5BD3

#3A5BD3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.189 H 267.6°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BD3
RGB	rgb(58, 91, 211)
HSL	hsl(227, 63%, 53%)
HSV	hsv(227, 73%, 83%)
CMYK	cmyk(72.5%, 56.9%, 0%, 17.3%)
CIE-LAB	lab(42.89, 29.20, -65.33)
CIE-LCH	lch(42.89, 71.56, 294.09°)
OKLab	oklab(51.86% -0.0079 -0.1884)
OKLCH	oklch(51.86% 0.189 267.6)
XYZ	xyz(17.2398, 13.0830, 63.2321)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BD3 #D3B23A

analogous

#3AA7D3 #3A5BD3 #663AD3

triadic

#3A5BD3 #D33A5B #5BD33A

tetradic

#3A5BD3 #D33AA7 #D3B23A #3AD366

square

#3A5BD3 #D33AA7 #D3B23A #3AD366

split-complementary

#3A5BD3 #D3663A #A7D33A

monochromatic

#1B2F78 #2642AA #3A5BD3 #6C85DE #9EAEE9

Accessibility & contrast

On white

5.81

#3A5BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3A5BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BD3

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BD3	#FFFFFF	#000000	##FFFFFF
##3A5BD3	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD7

Deuteranopia (green-blind)

#005ED1

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3a5bd3;
/* rgb */ color: rgb(58, 91, 211);
/* oklch */ color: oklch(51.9% 0.189 267.6);

Tailwind

colors: {
  custom: {
    50: '#8489e1',
    500: '#3a5bd3',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bd3;
$custom-light: #8489e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bd3",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 211
  },
  "hsl": {
    "h": 227.059,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51863,
    "c": 0.18857,
    "h": 267.6
  },
  "luminance": 0.13085
}

Semantic roles & 50–950 ramp

primary

#3A5BD3

secondary

#D6C793

accent

#C341E7

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A5BD3

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

Preview Lab → · Contrast checker → · Palette generator →