#3A5BD5#3A5BD5

#3A5BD5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.191 H 267.7°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BD5
RGB	rgb(58, 91, 213)
HSL	hsl(227, 65%, 53%)
HSV	hsv(227, 73%, 84%)
CMYK	cmyk(72.8%, 57.3%, 0%, 16.5%)
CIE-LAB	lab(43.04, 29.93, -66.23)
CIE-LCH	lch(43.04, 72.68, 294.32°)
OKLab	oklab(52.02% -0.0078 -0.191)
OKLCH	oklch(52.02% 0.191 267.7)
XYZ	xyz(17.4921, 13.1840, 64.5608)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BD5 #D5B43A

analogous

#3AA8D5 #3A5BD5 #663AD5

triadic

#3A5BD5 #D53A5B #5BD53A

tetradic

#3A5BD5 #D53AA8 #D5B43A #3AD566

square

#3A5BD5 #D53AA8 #D5B43A #3AD566

split-complementary

#3A5BD5 #D5663A #A8D53A

monochromatic

#1A2F7A #2542AD #3A5BD5 #6C85E0 #9FAFEB

Accessibility & contrast

On white

5.77

#3A5BD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3A5BD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BD5

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BD5	#FFFFFF	#000000	##FFFFFF
##3A5BD5	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD9

Deuteranopia (green-blind)

#005FD3

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3a5bd5;
/* rgb */ color: rgb(58, 91, 213);
/* oklch */ color: oklch(52.0% 0.191 267.7);

Tailwind

colors: {
  custom: {
    50: '#8589e3',
    500: '#3a5bd5',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bd5;
$custom-light: #8589e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bd5",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 213
  },
  "hsl": {
    "h": 227.226,
    "s": 64.854,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52023,
    "c": 0.1912,
    "h": 267.7
  },
  "luminance": 0.13186
}

Semantic roles & 50–950 ramp

primary

#3A5BD5

secondary

#D7C994

accent

#C440E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #3A5BD5

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

Preview Lab → · Contrast checker → · Palette generator →