#3A5FBD#3A5FBD

#3A5FBD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.154 H 265.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FBD
RGB	rgb(58, 95, 189)
HSL	hsl(223, 53%, 48%)
HSV	hsv(223, 69%, 74%)
CMYK	cmyk(69.3%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(42.39, 18.62, -53.42)
CIE-LCH	lch(42.39, 56.57, 289.21°)
OKLab	oklab(51% -0.0129 -0.1533)
OKLCH	oklch(51% 0.154 265.2)
XYZ	xyz(15.0192, 12.7566, 49.8050)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FBD #BD983A

analogous

#3AA0BD #3A5FBD #563ABD

triadic

#3A5FBD #BD3A5F #5FBD3A

tetradic

#3A5FBD #BD3AA0 #BD983A #3ABD56

square

#3A5FBD #BD3AA0 #BD983A #3ABD56

split-complementary

#3A5FBD #BD563A #A0BD3A

monochromatic

#1D305F #2C478E #3A5FBD #6583D0 #93A8DE

Accessibility & contrast

On white

5.91

#3A5FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3A5FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FBD

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FBD	#FFFFFF	#000000	##FFFFFF
##3A5FBD	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296AC0

Deuteranopia (green-blind)

#005EBB

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3a5fbd;
/* rgb */ color: rgb(58, 95, 189);
/* oklch */ color: oklch(51.0% 0.154 265.2);

Tailwind

colors: {
  custom: {
    50: '#7f8bd1',
    500: '#3a5fbd',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fbd;
$custom-light: #7f8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fbd",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 223.053,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50996,
    "c": 0.15384,
    "h": 265.2
  },
  "luminance": 0.12758
}

Semantic roles & 50–950 ramp

primary

#3A5FBD

secondary

#C9B78A

accent

#B34BDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3A5FBD

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

Preview Lab → · Contrast checker → · Palette generator →