#3A57C8#3A57C8

#3A57C8 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.2% C 0.179 H 268.3°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3A57C8
RGB	rgb(58, 87, 200)
HSL	hsl(228, 56%, 51%)
HSV	hsv(228, 71%, 78%)
CMYK	cmyk(71%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(41.03, 27.78, -62.01)
CIE-LCH	lch(41.03, 67.95, 294.13°)
OKLab	oklab(50.21% -0.0053 -0.1787)
OKLCH	oklch(50.21% 0.179 268.3)
XYZ	xyz(15.5748, 11.8845, 56.1055)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57C8 #C8AB3A

analogous

#3A9EC8 #3A57C8 #643AC8

triadic

#3A57C8 #C83A57 #57C83A

tetradic

#3A57C8 #C83A9E #C8AB3A #3AC864

square

#3A57C8 #C83A9E #C8AB3A #3AC864

split-complementary

#3A57C8 #C8643A #9EC83A

monochromatic

#1E2D6A #2B429A #3A57C8 #6A80D5 #9AA9E3

Accessibility & contrast

On white

6.22

#3A57C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3A57C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57C8

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57C8	#FFFFFF	#000000	##FFFFFF
##3A57C8	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005AC6

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3a57c8;
/* rgb */ color: rgb(58, 87, 200);
/* oklch */ color: oklch(50.2% 0.179 268.3);

Tailwind

colors: {
  custom: {
    50: '#8286da',
    500: '#3a57c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a57c8;
$custom-light: #8286da;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57c8",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 227.746,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50213,
    "c": 0.17878,
    "h": 268.3
  },
  "luminance": 0.11886
}

Semantic roles & 50–950 ramp

primary

#3A57C8

secondary

#CEC28F

accent

#C148E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A57C8

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

Preview Lab → · Contrast checker → · Palette generator →