#3A5FBE#3A5FBE

#3A5FBE is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.155 H 265.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FBE
RGB	rgb(58, 95, 190)
HSL	hsl(223, 53%, 49%)
HSV	hsv(223, 69%, 75%)
CMYK	cmyk(69.5%, 50%, 0%, 25.5%)
CIE-LAB	lab(42.46, 18.98, -53.89)
CIE-LCH	lch(42.46, 57.14, 289.40°)
OKLab	oklab(51.07% -0.0128 -0.1547)
OKLCH	oklch(51.07% 0.155 265.3)
XYZ	xyz(15.1281, 12.8001, 50.3786)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FBE #BE993A

analogous

#3AA1BE #3A5FBE #573ABE

triadic

#3A5FBE #BE3A5F #5FBE3A

tetradic

#3A5FBE #BE3AA1 #BE993A #3ABE57

square

#3A5FBE #BE3AA1 #BE993A #3ABE57

split-complementary

#3A5FBE #BE573A #A1BE3A

monochromatic

#1D3060 #2C488F #3A5FBE #6583D0 #94A9DE

Accessibility & contrast

On white

5.90

#3A5FBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3A5FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FBE

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FBE	#FFFFFF	#000000	##FFFFFF
##3A5FBE	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286BC1

Deuteranopia (green-blind)

#005FBC

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3a5fbe;
/* rgb */ color: rgb(58, 95, 190);
/* oklch */ color: oklch(51.1% 0.155 265.3);

Tailwind

colors: {
  custom: {
    50: '#808bd2',
    500: '#3a5fbe',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fbe;
$custom-light: #808bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fbe",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 190
  },
  "hsl": {
    "h": 223.182,
    "s": 53.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51068,
    "c": 0.15523,
    "h": 265.3
  },
  "luminance": 0.12802
}

Semantic roles & 50–950 ramp

primary

#3A5FBE

secondary

#CAB88A

accent

#B44BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3A5FBE

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

Preview Lab → · Contrast checker → · Palette generator →