#3A57C4#3A57C4

#3A57C4 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.173 H 268.2°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3A57C4
RGB	rgb(58, 87, 196)
HSL	hsl(227, 54%, 50%)
HSV	hsv(227, 70%, 77%)
CMYK	cmyk(70.4%, 55.6%, 0%, 23.1%)
CIE-LAB	lab(40.74, 26.33, -60.17)
CIE-LCH	lch(40.74, 65.68, 293.64°)
OKLab	oklab(49.9% -0.0055 -0.1733)
OKLCH	oklch(49.9% 0.173 268.2)
XYZ	xyz(15.1135, 11.6999, 53.6757)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57C4 #C4A73A

analogous

#3A9CC4 #3A57C4 #623AC4

triadic

#3A57C4 #C43A57 #57C43A

tetradic

#3A57C4 #C43A9C #C4A73A #3AC462

square

#3A57C4 #C43A9C #C4A73A #3AC462

split-complementary

#3A57C4 #C4623A #9CC43A

monochromatic

#1E2D66 #2C4295 #3A57C4 #697FD3 #98A7E0

Accessibility & contrast

On white

6.29

#3A57C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3A57C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57C4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57C4	#FFFFFF	#000000	##FFFFFF
##3A57C4	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C8

Deuteranopia (green-blind)

#005AC2

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a57c4;
/* rgb */ color: rgb(58, 87, 196);
/* oklch */ color: oklch(49.9% 0.173 268.2);

Tailwind

colors: {
  custom: {
    50: '#8186d7',
    500: '#3a57c4',
    950: '#000000',
  },
}

SCSS

$custom: #3a57c4;
$custom-light: #8186d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57c4",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 196
  },
  "hsl": {
    "h": 227.391,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.49897,
    "c": 0.17338,
    "h": 268.2
  },
  "luminance": 0.11701
}

Semantic roles & 50–950 ramp

primary

#3A57C4

secondary

#CCBF8E

accent

#BF4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3A57C4

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

Preview Lab → · Contrast checker → · Palette generator →