#3A5CB5#3A5CB5

#3A5CB5 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.146 H 265.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3A5CB5
RGB	rgb(58, 92, 181)
HSL	hsl(223, 51%, 47%)
HSV	hsv(223, 68%, 71%)
CMYK	cmyk(68%, 49.2%, 0%, 29%)
CIE-LAB	lab(41.04, 17.63, -50.93)
CIE-LCH	lch(41.04, 53.89, 289.10°)
OKLab	oklab(49.79% -0.0112 -0.146)
OKLCH	oklch(49.79% 0.146 265.6)
XYZ	xyz(13.9097, 11.8887, 45.2688)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5CB5 #B5933A

analogous

#3A99B5 #3A5CB5 #563AB5

triadic

#3A5CB5 #B53A5C #5CB53A

tetradic

#3A5CB5 #B53A99 #B5933A #3AB556

square

#3A5CB5 #B53A99 #B5933A #3AB556

split-complementary

#3A5CB5 #B5563A #99B53A

monochromatic

#1C2D58 #2B4487 #3A5CB5 #607ECC #8EA4DB

Accessibility & contrast

On white

6.22

#3A5CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3A5CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5CB5

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5CB5	#FFFFFF	#000000	##FFFFFF
##3A5CB5	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)

#2B67B8

Deuteranopia (green-blind)

#085BB3

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3a5cb5;
/* rgb */ color: rgb(58, 92, 181);
/* oklch */ color: oklch(49.8% 0.146 265.6);

Tailwind

colors: {
  custom: {
    50: '#7e89cc',
    500: '#3a5cb5',
    950: '#000000',
  },
}

SCSS

$custom: #3a5cb5;
$custom-light: #7e89cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5cb5",
  "rgb": {
    "r": 58,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 223.415,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49794,
    "c": 0.14645,
    "h": 265.6
  },
  "luminance": 0.1189
}

Semantic roles & 50–950 ramp

primary

#3A5CB5

secondary

#C6B485

accent

#B44DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3A5CB5

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

Preview Lab → · Contrast checker → · Palette generator →