#3A5BCF#3A5BCF

#3A5BCF is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.5% C 0.183 H 267.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BCF
RGB	rgb(58, 91, 207)
HSL	hsl(227, 61%, 52%)
HSV	hsv(227, 72%, 81%)
CMYK	cmyk(72%, 56%, 0%, 18.8%)
CIE-LAB	lab(42.59, 27.75, -63.52)
CIE-LCH	lch(42.59, 69.32, 293.60°)
OKLab	oklab(51.54% -0.0081 -0.1831)
OKLCH	oklch(51.54% 0.183 267.5)
XYZ	xyz(16.7446, 12.8850, 60.6240)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BCF #CFAE3A

analogous

#3AA6CF #3A5BCF #633ACF

triadic

#3A5BCF #CF3A5B #5BCF3A

tetradic

#3A5BCF #CF3AA6 #CFAE3A #3ACF63

square

#3A5BCF #CF3AA6 #CFAE3A #3ACF63

split-complementary

#3A5BCF #CF633A #A6CF3A

monochromatic

#1C2F73 #2843A4 #3A5BCF #6B84DB #9CADE7

Accessibility & contrast

On white

5.87

#3A5BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3A5BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BCF

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BCF	#FFFFFF	#000000	##FFFFFF
##3A5BCF	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3a5bcf;
/* rgb */ color: rgb(58, 91, 207);
/* oklch */ color: oklch(51.5% 0.183 267.5);

Tailwind

colors: {
  custom: {
    50: '#8389de',
    500: '#3a5bcf',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bcf;
$custom-light: #8389de;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bcf",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 207
  },
  "hsl": {
    "h": 226.711,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51545,
    "c": 0.18325,
    "h": 267.5
  },
  "luminance": 0.12887
}

Semantic roles & 50–950 ramp

primary

#3A5BCF

secondary

#D3C592

accent

#C044E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A5BCF

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

Preview Lab → · Contrast checker → · Palette generator →