#3A5FAC#3A5FAC

#3A5FAC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.8% C 0.130 H 263.2°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FAC
RGB	rgb(58, 95, 172)
HSL	hsl(221, 50%, 45%)
HSV	hsv(221, 66%, 67%)
CMYK	cmyk(66.3%, 44.8%, 0%, 32.5%)
CIE-LAB	lab(41.31, 12.42, -45.20)
CIE-LCH	lch(41.31, 46.87, 285.36°)
OKLab	oklab(49.82% -0.0155 -0.1291)
OKLCH	oklch(49.82% 0.13 263.2)
XYZ	xyz(13.2809, 12.0612, 40.6499)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FAC #AC873A

analogous

#3A98AC #3A5FAC #4E3AAC

triadic

#3A5FAC #AC3A5F #5FAC3A

tetradic

#3A5FAC #AC3A98 #AC873A #3AAC4E

square

#3A5FAC #AC3A98 #AC873A #3AAC4E

split-complementary

#3A5FAC #AC4E3A #98AC3A

monochromatic

#1B2C50 #2B467E #3A5FAC #5B7FC8 #89A2D7

Accessibility & contrast

On white

6.15

#3A5FAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#3A5FAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FAC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FAC	#FFFFFF	#000000	##FFFFFF
##3A5FAC	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A67AF

Deuteranopia (green-blind)

#275DAA

Tritanopia (blue-blind)

#00717D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3a5fac;
/* rgb */ color: rgb(58, 95, 172);
/* oklch */ color: oklch(49.8% 0.130 263.2);

Tailwind

colors: {
  custom: {
    50: '#7c8bc5',
    500: '#3a5fac',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fac;
$custom-light: #7c8bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fac",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 172
  },
  "hsl": {
    "h": 220.526,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49822,
    "c": 0.13003,
    "h": 263.2
  },
  "luminance": 0.12063
}

Semantic roles & 50–950 ramp

primary

#3A5FAC

secondary

#C2AC80

accent

#AC4FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3A5FAC

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

Preview Lab → · Contrast checker → · Palette generator →