#3A5BCD#3A5BCD

#3A5BCD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.181 H 267.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BCD
RGB	rgb(58, 91, 205)
HSL	hsl(227, 60%, 52%)
HSV	hsv(227, 72%, 80%)
CMYK	cmyk(71.7%, 55.6%, 0%, 19.6%)
CIE-LAB	lab(42.44, 27.03, -62.61)
CIE-LCH	lch(42.44, 68.19, 293.35°)
OKLab	oklab(51.39% -0.0082 -0.1804)
OKLCH	oklch(51.39% 0.181 267.4)
XYZ	xyz(16.5016, 12.7878, 59.3444)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BCD #CDAC3A

analogous

#3AA4CD #3A5BCD #633ACD

triadic

#3A5BCD #CD3A5B #5BCD3A

tetradic

#3A5BCD #CD3AA4 #CDAC3A #3ACD63

square

#3A5BCD #CD3AA4 #CDAC3A #3ACD63

split-complementary

#3A5BCD #CD633A #A4CD3A

monochromatic

#1C2F70 #2944A1 #3A5BCD #6B84D9 #9CACE6

Accessibility & contrast

On white

5.90

#3A5BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3A5BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BCD

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BCD	#FFFFFF	#000000	##FFFFFF
##3A5BCD	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)

#006BD1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3a5bcd;
/* rgb */ color: rgb(58, 91, 205);
/* oklch */ color: oklch(51.4% 0.181 267.4);

Tailwind

colors: {
  custom: {
    50: '#8389dd',
    500: '#3a5bcd',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bcd;
$custom-light: #8389dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bcd",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 205
  },
  "hsl": {
    "h": 226.531,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51387,
    "c": 0.18057,
    "h": 267.4
  },
  "luminance": 0.12789
}

Semantic roles & 50–950 ramp

primary

#3A5BCD

secondary

#D2C391

accent

#BF45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A5BCD

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

Preview Lab → · Contrast checker → · Palette generator →