#3A5FC9#3A5FC9

#3A5FC9 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.9% C 0.170 H 266.1°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FC9
RGB	rgb(58, 95, 201)
HSL	hsl(224, 57%, 51%)
HSV	hsv(224, 71%, 79%)
CMYK	cmyk(71.1%, 52.7%, 0%, 21.2%)
CIE-LAB	lab(43.21, 23.00, -59.05)
CIE-LCH	lch(43.21, 63.38, 291.28°)
OKLab	oklab(51.88% -0.0116 -0.1699)
OKLCH	oklch(51.88% 0.17 266.1)
XYZ	xyz(16.3761, 13.2993, 56.9510)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FC9 #C9A43A

analogous

#3AA6C9 #3A5FC9 #5D3AC9

triadic

#3A5FC9 #C93A5F #5FC93A

tetradic

#3A5FC9 #C93AA6 #C9A43A #3AC95D

square

#3A5FC9 #C93AA6 #C9A43A #3AC95D

split-complementary

#3A5FC9 #C95D3A #A6C93A

monochromatic

#1D326B #2B489B #3A5FC9 #6A86D6 #9AADE3

Accessibility & contrast

On white

5.74

#3A5FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3A5FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FC9

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FC9	#FFFFFF	#000000	##FFFFFF
##3A5FC9	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#146DCD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3a5fc9;
/* rgb */ color: rgb(58, 95, 201);
/* oklch */ color: oklch(51.9% 0.170 266.1);

Tailwind

colors: {
  custom: {
    50: '#828bda',
    500: '#3a5fc9',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fc9;
$custom-light: #828bda;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fc9",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 201
  },
  "hsl": {
    "h": 224.476,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51877,
    "c": 0.17028,
    "h": 266.1
  },
  "luminance": 0.13301
}

Semantic roles & 50–950 ramp

primary

#3A5FC9

secondary

#CFBF90

accent

#B948E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A5FC9

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

Preview Lab → · Contrast checker → · Palette generator →