#3A5CB0#3A5CB0

#3A5CB0 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.139 H 265.1°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3A5CB0
RGB	rgb(58, 92, 176)
HSL	hsl(223, 50%, 46%)
HSV	hsv(223, 67%, 69%)
CMYK	cmyk(67%, 47.7%, 0%, 31%)
CIE-LAB	lab(40.71, 15.81, -48.51)
CIE-LCH	lch(40.71, 51.02, 288.05°)
OKLab	oklab(49.44% -0.0119 -0.1389)
OKLCH	oklch(49.44% 0.139 265.1)
XYZ	xyz(13.4058, 11.6871, 42.6152)
Luminance	0.1169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5CB0 #B08E3A

analogous

#3A97B0 #3A5CB0 #533AB0

triadic

#3A5CB0 #B03A5C #5CB03A

tetradic

#3A5CB0 #B03A97 #B08E3A #3AB053

square

#3A5CB0 #B03A97 #B08E3A #3AB053

split-complementary

#3A5CB0 #B0533A #97B03A

monochromatic

#1C2C54 #2B4482 #3A5CB0 #5D7DCA #8BA2D9

Accessibility & contrast

On white

6.29

#3A5CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3A5CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5CB0

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5CB0	#FFFFFF	#000000	##FFFFFF
##3A5CB0	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3166B3

Deuteranopia (green-blind)

#175BAE

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a5cb0;
/* rgb */ color: rgb(58, 92, 176);
/* oklch */ color: oklch(49.4% 0.139 265.1);

Tailwind

colors: {
  custom: {
    50: '#7d89c8',
    500: '#3a5cb0',
    950: '#000000',
  },
}

SCSS

$custom: #3a5cb0;
$custom-light: #7d89c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5cb0",
  "rgb": {
    "r": 58,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 222.712,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.13942,
    "h": 265.1
  },
  "luminance": 0.11688
}

Semantic roles & 50–950 ramp

primary

#3A5CB0

secondary

#C3B182

accent

#B24EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3A5CB0

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

Preview Lab → · Contrast checker → · Palette generator →