#3A5FC4#3A5FC4

#3A5FC4 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.5% C 0.163 H 265.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FC4
RGB	rgb(58, 95, 196)
HSL	hsl(224, 54%, 50%)
HSV	hsv(224, 70%, 77%)
CMYK	cmyk(70.4%, 51.5%, 0%, 23.1%)
CIE-LAB	lab(42.87, 21.18, -56.72)
CIE-LCH	lch(42.87, 60.55, 290.47°)
OKLab	oklab(51.51% -0.0121 -0.163)
OKLCH	oklch(51.51% 0.163 265.7)
XYZ	xyz(15.7975, 13.0679, 53.9037)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FC4 #C49F3A

analogous

#3AA4C4 #3A5FC4 #5A3AC4

triadic

#3A5FC4 #C43A5F #5FC43A

tetradic

#3A5FC4 #C43AA4 #C49F3A #3AC45A

square

#3A5FC4 #C43AA4 #C49F3A #3AC45A

split-complementary

#3A5FC4 #C45A3A #A4C43A

monochromatic

#1E3166 #2C4895 #3A5FC4 #6985D3 #98ABE0

Accessibility & contrast

On white

5.81

#3A5FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3A5FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FC4

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FC4	#FFFFFF	#000000	##FFFFFF
##3A5FC4	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6CC8

Deuteranopia (green-blind)

#005FC2

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3a5fc4;
/* rgb */ color: rgb(58, 95, 196);
/* oklch */ color: oklch(51.5% 0.163 265.7);

Tailwind

colors: {
  custom: {
    50: '#818bd6',
    500: '#3a5fc4',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fc4;
$custom-light: #818bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fc4",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 196
  },
  "hsl": {
    "h": 223.913,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51505,
    "c": 0.16347,
    "h": 265.7
  },
  "luminance": 0.13069
}

Semantic roles & 50–950 ramp

primary

#3A5FC4

secondary

#CCBB8E

accent

#B64ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3A5FC4

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

Preview Lab → · Contrast checker → · Palette generator →