#3A5CB1#3A5CB1

#3A5CB1 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.141 H 265.2°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3A5CB1
RGB	rgb(58, 92, 177)
HSL	hsl(223, 51%, 46%)
HSV	hsv(223, 67%, 69%)
CMYK	cmyk(67.2%, 48%, 0%, 30.6%)
CIE-LAB	lab(40.78, 16.17, -49.00)
CIE-LCH	lch(40.78, 51.60, 288.27°)
OKLab	oklab(49.51% -0.0117 -0.1403)
OKLCH	oklch(49.51% 0.141 265.2)
XYZ	xyz(13.5051, 11.7269, 43.1382)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5CB1 #B18F3A

analogous

#3A97B1 #3A5CB1 #533AB1

triadic

#3A5CB1 #B13A5C #5CB13A

tetradic

#3A5CB1 #B13A97 #B18F3A #3AB153

square

#3A5CB1 #B13A97 #B18F3A #3AB153

split-complementary

#3A5CB1 #B1533A #97B13A

monochromatic

#1C2C55 #2B4483 #3A5CB1 #5E7DCA #8CA2D9

Accessibility & contrast

On white

6.28

#3A5CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3A5CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5CB1

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5CB1	#FFFFFF	#000000	##FFFFFF
##3A5CB1	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3066B4

Deuteranopia (green-blind)

#155BAF

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a5cb1;
/* rgb */ color: rgb(58, 92, 177);
/* oklch */ color: oklch(49.5% 0.141 265.2);

Tailwind

colors: {
  custom: {
    50: '#7d89c9',
    500: '#3a5cb1',
    950: '#000000',
  },
}

SCSS

$custom: #3a5cb1;
$custom-light: #7d89c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5cb1",
  "rgb": {
    "r": 58,
    "g": 92,
    "b": 177
  },
  "hsl": {
    "h": 222.857,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49512,
    "c": 0.14083,
    "h": 265.2
  },
  "luminance": 0.11728
}

Semantic roles & 50–950 ramp

primary

#3A5CB1

secondary

#C4B183

accent

#B24EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3A5CB1

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

Preview Lab → · Contrast checker → · Palette generator →