#3A57BD#3A57BD

#3A57BD is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.164 H 267.9°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3A57BD
RGB	rgb(58, 87, 189)
HSL	hsl(227, 53%, 48%)
HSV	hsv(227, 69%, 74%)
CMYK	cmyk(69.3%, 54%, 0%, 25.9%)
CIE-LAB	lab(40.23, 23.79, -56.92)
CIE-LCH	lch(40.23, 61.69, 292.68°)
OKLab	oklab(49.35% -0.0059 -0.1637)
OKLCH	oklch(49.35% 0.164 267.9)
XYZ	xyz(14.3353, 11.3886, 49.5770)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57BD #BDA03A

analogous

#3A98BD #3A57BD #5F3ABD

triadic

#3A57BD #BD3A57 #57BD3A

tetradic

#3A57BD #BD3A98 #BDA03A #3ABD5F

square

#3A57BD #BD3A98 #BDA03A #3ABD5F

split-complementary

#3A57BD #BD5F3A #98BD3A

monochromatic

#1D2C5F #2C418E #3A57BD #657CD0 #93A4DE

Accessibility & contrast

On white

6.41

#3A57BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3A57BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57BD

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57BD	#FFFFFF	#000000	##FFFFFF
##3A57BD	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0865C1

Deuteranopia (green-blind)

#0059BB

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3a57bd;
/* rgb */ color: rgb(58, 87, 189);
/* oklch */ color: oklch(49.4% 0.164 267.9);

Tailwind

colors: {
  custom: {
    50: '#8086d2',
    500: '#3a57bd',
    950: '#000000',
  },
}

SCSS

$custom: #3a57bd;
$custom-light: #8086d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57bd",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 226.718,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49354,
    "c": 0.16383,
    "h": 267.9
  },
  "luminance": 0.1139
}

Semantic roles & 50–950 ramp

primary

#3A57BD

secondary

#C9BB8A

accent

#BC4BDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3A57BD

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

Preview Lab → · Contrast checker → · Palette generator →