#3A57C0#3A57C0

#3A57C0 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.6% C 0.168 H 268.1°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3A57C0
RGB	rgb(58, 87, 192)
HSL	hsl(227, 54%, 49%)
HSV	hsv(227, 70%, 75%)
CMYK	cmyk(69.8%, 54.7%, 0%, 24.7%)
CIE-LAB	lab(40.44, 24.88, -58.32)
CIE-LCH	lch(40.44, 63.41, 293.10°)
OKLab	oklab(49.59% -0.0057 -0.1678)
OKLCH	oklch(49.59% 0.168 268.1)
XYZ	xyz(14.6643, 11.5202, 51.3098)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57C0 #C0A33A

analogous

#3A9AC0 #3A57C0 #603AC0

triadic

#3A57C0 #C03A57 #57C03A

tetradic

#3A57C0 #C03A9A #C0A33A #3AC060

square

#3A57C0 #C03A9A #C0A33A #3AC060

split-complementary

#3A57C0 #C0603A #9AC03A

monochromatic

#1E2C62 #2C4291 #3A57C0 #667DD1 #95A5DF

Accessibility & contrast

On white

6.36

#3A57C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3A57C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57C0

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57C0	#FFFFFF	#000000	##FFFFFF
##3A57C0	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C4

Deuteranopia (green-blind)

#0059BE

Tritanopia (blue-blind)

#007083

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3a57c0;
/* rgb */ color: rgb(58, 87, 192);
/* oklch */ color: oklch(49.6% 0.168 268.1);

Tailwind

colors: {
  custom: {
    50: '#8186d4',
    500: '#3a57c0',
    950: '#000000',
  },
}

SCSS

$custom: #3a57c0;
$custom-light: #8186d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57c0",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 192
  },
  "hsl": {
    "h": 227.015,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49585,
    "c": 0.16794,
    "h": 268.1
  },
  "luminance": 0.11522
}

Semantic roles & 50–950 ramp

primary

#3A57C0

secondary

#CABD8B

accent

#BD4BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3A57C0

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

Preview Lab → · Contrast checker → · Palette generator →