#3A5FB4#3A5FB4

#3A5FB4 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.141 H 264.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FB4
RGB	rgb(58, 95, 180)
HSL	hsl(222, 51%, 47%)
HSV	hsv(222, 68%, 71%)
CMYK	cmyk(67.8%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(41.81, 15.33, -49.10)
CIE-LCH	lch(41.81, 51.44, 287.34°)
OKLab	oklab(50.36% -0.0141 -0.1406)
OKLCH	oklch(50.36% 0.141 264.3)
XYZ	xyz(14.0725, 12.3779, 44.8187)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FB4 #B48F3A

analogous

#3A9CB4 #3A5FB4 #523AB4

triadic

#3A5FB4 #B43A5F #5FB43A

tetradic

#3A5FB4 #B43A9C #B48F3A #3AB452

square

#3A5FB4 #B43A9C #B48F3A #3AB452

split-complementary

#3A5FB4 #B4523A #9CB43A

monochromatic

#1C2E57 #2B4786 #3A5FB4 #6080CC #8EA5DB

Accessibility & contrast

On white

6.04

#3A5FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3A5FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FB4

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FB4	#FFFFFF	#000000	##FFFFFF
##3A5FB4	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3369B7

Deuteranopia (green-blind)

#195DB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3a5fb4;
/* rgb */ color: rgb(58, 95, 180);
/* oklch */ color: oklch(50.4% 0.141 264.3);

Tailwind

colors: {
  custom: {
    50: '#7e8bcb',
    500: '#3a5fb4',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fb4;
$custom-light: #7e8bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fb4",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 221.803,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50363,
    "c": 0.14131,
    "h": 264.3
  },
  "luminance": 0.12379
}

Semantic roles & 50–950 ramp

primary

#3A5FB4

secondary

#C5B285

accent

#B04DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3A5FB4

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

Preview Lab → · Contrast checker → · Palette generator →