#3A57C5#3A57C5

#3A57C5 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.175 H 268.2°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3A57C5
RGB	rgb(58, 87, 197)
HSL	hsl(227, 55%, 50%)
HSV	hsv(227, 71%, 77%)
CMYK	cmyk(70.6%, 55.8%, 0%, 22.7%)
CIE-LAB	lab(40.81, 26.70, -60.63)
CIE-LCH	lch(40.81, 66.25, 293.76°)
OKLab	oklab(49.98% -0.0054 -0.1746)
OKLCH	oklch(49.98% 0.175 268.2)
XYZ	xyz(15.2277, 11.7456, 54.2771)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57C5 #C5A83A

analogous

#3A9DC5 #3A57C5 #623AC5

triadic

#3A57C5 #C53A57 #57C53A

tetradic

#3A57C5 #C53A9D #C5A83A #3AC562

square

#3A57C5 #C53A9D #C5A83A #3AC562

split-complementary

#3A57C5 #C5623A #9DC53A

monochromatic

#1E2D66 #2C4296 #3A57C5 #697FD3 #99A8E1

Accessibility & contrast

On white

6.27

#3A57C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3A57C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57C5

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57C5	#FFFFFF	#000000	##FFFFFF
##3A57C5	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C9

Deuteranopia (green-blind)

#005AC3

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a57c5;
/* rgb */ color: rgb(58, 87, 197);
/* oklch */ color: oklch(50.0% 0.175 268.2);

Tailwind

colors: {
  custom: {
    50: '#8286d7',
    500: '#3a57c5',
    950: '#000000',
  },
}

SCSS

$custom: #3a57c5;
$custom-light: #8286d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57c5",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 197
  },
  "hsl": {
    "h": 227.482,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.49975,
    "c": 0.17473,
    "h": 268.2
  },
  "luminance": 0.11747
}

Semantic roles & 50–950 ramp

primary

#3A57C5

secondary

#CDC08E

accent

#BF4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3A57C5

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

Preview Lab → · Contrast checker → · Palette generator →