#3A57BE#3A57BE

#3A57BE is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.165 H 268.0°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3A57BE
RGB	rgb(58, 87, 190)
HSL	hsl(227, 53%, 49%)
HSV	hsv(227, 69%, 75%)
CMYK	cmyk(69.5%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(40.30, 24.15, -57.39)
CIE-LCH	lch(40.30, 62.26, 292.83°)
OKLab	oklab(49.43% -0.0058 -0.1651)
OKLCH	oklch(49.43% 0.165 268)
XYZ	xyz(14.4442, 11.4322, 50.1506)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57BE #BEA13A

analogous

#3A99BE #3A57BE #5F3ABE

triadic

#3A57BE #BE3A57 #57BE3A

tetradic

#3A57BE #BE3A99 #BEA13A #3ABE5F

square

#3A57BE #BE3A99 #BEA13A #3ABE5F

split-complementary

#3A57BE #BE5F3A #99BE3A

monochromatic

#1D2C60 #2C428F #3A57BE #657DD0 #94A4DE

Accessibility & contrast

On white

6.39

#3A57BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3A57BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57BE

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57BE	#FFFFFF	#000000	##FFFFFF
##3A57BE	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0465C2

Deuteranopia (green-blind)

#0059BC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3a57be;
/* rgb */ color: rgb(58, 87, 190);
/* oklch */ color: oklch(49.4% 0.165 268.0);

Tailwind

colors: {
  custom: {
    50: '#8086d2',
    500: '#3a57be',
    950: '#000000',
  },
}

SCSS

$custom: #3a57be;
$custom-light: #8086d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57be",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 226.818,
    "s": 53.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49431,
    "c": 0.1652,
    "h": 268
  },
  "luminance": 0.11434
}

Semantic roles & 50–950 ramp

primary

#3A57BE

secondary

#CABC8A

accent

#BD4BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3A57BE

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

Preview Lab → · Contrast checker → · Palette generator →