#3A5FBC#3A5FBC

#3A5FBC is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.9% C 0.152 H 265.1°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FBC
RGB	rgb(58, 95, 188)
HSL	hsl(223, 53%, 48%)
HSV	hsv(223, 69%, 74%)
CMYK	cmyk(69.1%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(42.33, 18.25, -52.94)
CIE-LCH	lch(42.33, 56.00, 289.02°)
OKLab	oklab(50.93% -0.013 -0.1519)
OKLCH	oklch(50.93% 0.152 265.1)
XYZ	xyz(14.9111, 12.7133, 49.2353)
Luminance	0.1272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FBC #BC973A

analogous

#3AA0BC #3A5FBC #563ABC

triadic

#3A5FBC #BC3A5F #5FBC3A

tetradic

#3A5FBC #BC3AA0 #BC973A #3ABC56

square

#3A5FBC #BC3AA0 #BC973A #3ABC56

split-complementary

#3A5FBC #BC563A #A0BC3A

monochromatic

#1D305E #2C478D #3A5FBC #6483CF #93A8DE

Accessibility & contrast

On white

5.93

#3A5FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3A5FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FBC

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FBC	#FFFFFF	#000000	##FFFFFF
##3A5FBC	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3a5fbc;
/* rgb */ color: rgb(58, 95, 188);
/* oklch */ color: oklch(50.9% 0.152 265.1);

Tailwind

colors: {
  custom: {
    50: '#7f8bd1',
    500: '#3a5fbc',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fbc;
$custom-light: #7f8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fbc",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 222.923,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50925,
    "c": 0.15246,
    "h": 265.1
  },
  "luminance": 0.12715
}

Semantic roles & 50–950 ramp

primary

#3A5FBC

secondary

#C9B789

accent

#B34CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3A5FBC

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

Preview Lab → · Contrast checker → · Palette generator →