#3A5FC5#3A5FC5

#3A5FC5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.165 H 265.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FC5
RGB	rgb(58, 95, 197)
HSL	hsl(224, 55%, 50%)
HSV	hsv(224, 71%, 77%)
CMYK	cmyk(70.6%, 51.8%, 0%, 22.7%)
CIE-LAB	lab(42.93, 21.54, -57.19)
CIE-LCH	lch(42.93, 61.12, 290.64°)
OKLab	oklab(51.58% -0.012 -0.1644)
OKLCH	oklch(51.58% 0.165 265.8)
XYZ	xyz(15.9117, 13.1135, 54.5051)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FC5 #C5A03A

analogous

#3AA4C5 #3A5FC5 #5B3AC5

triadic

#3A5FC5 #C53A5F #5FC53A

tetradic

#3A5FC5 #C53AA4 #C5A03A #3AC55B

square

#3A5FC5 #C53AA4 #C5A03A #3AC55B

split-complementary

#3A5FC5 #C55B3A #A4C53A

monochromatic

#1E3166 #2C4896 #3A5FC5 #6985D3 #99ACE1

Accessibility & contrast

On white

5.80

#3A5FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3A5FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FC5

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FC5	#FFFFFF	#000000	##FFFFFF
##3A5FC5	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6CC9

Deuteranopia (green-blind)

#005FC3

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3a5fc5;
/* rgb */ color: rgb(58, 95, 197);
/* oklch */ color: oklch(51.6% 0.165 265.8);

Tailwind

colors: {
  custom: {
    50: '#818bd7',
    500: '#3a5fc5',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fc5;
$custom-light: #818bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fc5",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 197
  },
  "hsl": {
    "h": 224.029,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.51579,
    "c": 0.16484,
    "h": 265.8
  },
  "luminance": 0.13115
}

Semantic roles & 50–950 ramp

primary

#3A5FC5

secondary

#CDBC8E

accent

#B64ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3A5FC5

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

Preview Lab → · Contrast checker → · Palette generator →