#3A5FCF#3A5FCF

#3A5FCF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.178 H 266.4°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FCF
RGB	rgb(58, 95, 207)
HSL	hsl(225, 61%, 52%)
HSV	hsv(225, 72%, 81%)
CMYK	cmyk(72%, 54.1%, 0%, 18.8%)
CIE-LAB	lab(43.63, 25.19, -61.82)
CIE-LCH	lch(43.63, 66.76, 292.17°)
OKLab	oklab(52.33% -0.0112 -0.178)
OKLCH	oklch(52.33% 0.178 266.4)
XYZ	xyz(17.0957, 13.5872, 60.7410)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FCF #CFAA3A

analogous

#3AA9CF #3A5FCF #603ACF

triadic

#3A5FCF #CF3A5F #5FCF3A

tetradic

#3A5FCF #CF3AA9 #CFAA3A #3ACF60

square

#3A5FCF #CF3AA9 #CFAA3A #3ACF60

split-complementary

#3A5FCF #CF603A #A9CF3A

monochromatic

#1C3173 #2847A4 #3A5FCF #6B87DB #9CAFE7

Accessibility & contrast

On white

5.65

#3A5FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3A5FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FCF

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FCF	#FFFFFF	#000000	##FFFFFF
##3A5FCF	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3a5fcf;
/* rgb */ color: rgb(58, 95, 207);
/* oklch */ color: oklch(52.3% 0.178 266.4);

Tailwind

colors: {
  custom: {
    50: '#838bde',
    500: '#3a5fcf',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fcf;
$custom-light: #838bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fcf",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 207
  },
  "hsl": {
    "h": 225.101,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52332,
    "c": 0.17837,
    "h": 266.4
  },
  "luminance": 0.13589
}

Semantic roles & 50–950 ramp

primary

#3A5FCF

secondary

#D3C392

accent

#BC44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A5FCF

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

Preview Lab → · Contrast checker → · Palette generator →