#3A57D2#3A57D2

#3A57D2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.0% C 0.192 H 268.5°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3A57D2
RGB	rgb(58, 87, 210)
HSL	hsl(229, 63%, 53%)
HSV	hsv(229, 72%, 82%)
CMYK	cmyk(72.4%, 58.6%, 0%, 17.6%)
CIE-LAB	lab(41.79, 31.39, -66.54)
CIE-LCH	lch(41.79, 73.57, 295.26°)
OKLab	oklab(51.02% -0.005 -0.192)
OKLCH	oklch(51.02% 0.192 268.5)
XYZ	xyz(16.7820, 12.3673, 62.4630)
Luminance	0.1237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57D2 #D2B53A

analogous

#3AA3D2 #3A57D2 #693AD2

triadic

#3A57D2 #D23A57 #57D23A

tetradic

#3A57D2 #D23AA3 #D2B53A #3AD269

square

#3A57D2 #D23AA3 #D2B53A #3AD269

split-complementary

#3A57D2 #D2693A #A3D23A

monochromatic

#1B2D77 #263FA8 #3A57D2 #6C81DD #9EACE9

Accessibility & contrast

On white

6.05

#3A57D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3A57D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57D2

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57D2	#FFFFFF	#000000	##FFFFFF
##3A57D2	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD6

Deuteranopia (green-blind)

#005CD0

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3a57d2;
/* rgb */ color: rgb(58, 87, 210);
/* oklch */ color: oklch(51.0% 0.192 268.5);

Tailwind

colors: {
  custom: {
    50: '#8486e1',
    500: '#3a57d2',
    950: '#000000',
  },
}

SCSS

$custom: #3a57d2;
$custom-light: #8486e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57d2",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 210
  },
  "hsl": {
    "h": 228.553,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51021,
    "c": 0.19207,
    "h": 268.5
  },
  "luminance": 0.12369
}

Semantic roles & 50–950 ramp

primary

#3A57D2

secondary

#D5C893

accent

#C742E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A57D2

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

Preview Lab → · Contrast checker → · Palette generator →