#3A40C3#3A40C3

#3A40C3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.200 H 273.3°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A40C3
RGB	rgb(58, 64, 195)
HSL	hsl(237, 54%, 50%)
HSV	hsv(237, 70%, 76%)
CMYK	cmyk(70.3%, 67.2%, 0%, 23.5%)
CIE-LAB	lab(35.01, 40.51, -68.93)
CIE-LCH	lch(35.01, 79.95, 300.44°)
OKLab	oklab(45.64% 0.0114 -0.1992)
OKLCH	oklch(45.64% 0.2 273.3)
XYZ	xyz(13.4254, 8.5052, 52.5533)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A40C3 #C3BD3A

analogous

#3A85C3 #3A40C3 #783AC3

triadic

#3A40C3 #C33A40 #40C33A

tetradic

#3A40C3 #C33A85 #C3BD3A #3AC378

square

#3A40C3 #C33A85 #C3BD3A #3AC378

split-complementary

#3A40C3 #C3783A #85C33A

monochromatic

#1E2165 #2C3194 #3A40C3 #686DD2 #979AE0

Accessibility & contrast

On white

7.77

#3A40C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3A40C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40C3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40C3	#FFFFFF	#000000	##FFFFFF
##3A40C3	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C7

Deuteranopia (green-blind)

#004CC1

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a40c3;
/* rgb */ color: rgb(58, 64, 195);
/* oklch */ color: oklch(45.6% 0.200 273.3);

Tailwind

colors: {
  custom: {
    50: '#8375d6',
    500: '#3a40c3',
    950: '#000000',
  },
}

SCSS

$custom: #3a40c3;
$custom-light: #8375d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40c3",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 195
  },
  "hsl": {
    "h": 237.372,
    "s": 54.15,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45644,
    "c": 0.19952,
    "h": 273.3
  },
  "luminance": 0.08506
}

Semantic roles & 50–950 ramp

primary

#3A40C3

secondary

#CCC98D

accent

#D74ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A40C3

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

Preview Lab → · Contrast checker → · Palette generator →