#3A4FC9#3A4FC9

#3A4FC9 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.8% C 0.190 H 270.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FC9
RGB	rgb(58, 79, 201)
HSL	hsl(231, 57%, 51%)
HSV	hsv(231, 71%, 79%)
CMYK	cmyk(71.1%, 60.7%, 0%, 21.2%)
CIE-LAB	lab(39.08, 33.26, -65.76)
CIE-LCH	lch(39.08, 73.69, 296.82°)
OKLab	oklab(48.79% 0.0008 -0.1898)
OKLCH	oklch(48.79% 0.19 270.2)
XYZ	xyz(15.0799, 10.7070, 56.5189)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FC9 #C9B43A

analogous

#3A96C9 #3A4FC9 #6C3AC9

triadic

#3A4FC9 #C93A4F #4FC93A

tetradic

#3A4FC9 #C93A96 #C9B43A #3AC96C

square

#3A4FC9 #C93A96 #C9B43A #3AC96C

split-complementary

#3A4FC9 #C96C3A #96C93A

monochromatic

#1D296B #2B3B9B #3A4FC9 #6A7AD6 #9AA5E3

Accessibility & contrast

On white

6.68

#3A4FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3A4FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A4FC9

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FC9	#FFFFFF	#000000	##FFFFFF
##3A4FC9	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CD

Deuteranopia (green-blind)

#0056C7

Tritanopia (blue-blind)

#006E84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3a4fc9;
/* rgb */ color: rgb(58, 79, 201);
/* oklch */ color: oklch(48.8% 0.190 270.2);

Tailwind

colors: {
  custom: {
    50: '#8380da',
    500: '#3a4fc9',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fc9;
$custom-light: #8380da;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fc9",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 201
  },
  "hsl": {
    "h": 231.189,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48785,
    "c": 0.18982,
    "h": 270.2
  },
  "luminance": 0.10709
}

Semantic roles & 50–950 ramp

primary

#3A4FC9

secondary

#CFC690

accent

#CA48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3A4FC9

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

Preview Lab → · Contrast checker → · Palette generator →