#3A40C2#3A40C2

#3A40C2 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.198 H 273.3°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#3A40C2
RGB	rgb(58, 64, 194)
HSL	hsl(237, 54%, 49%)
HSV	hsv(237, 70%, 76%)
CMYK	cmyk(70.1%, 67%, 0%, 23.9%)
CIE-LAB	lab(34.92, 40.17, -68.49)
CIE-LCH	lch(34.92, 79.40, 300.39°)
OKLab	oklab(45.55% 0.0115 -0.1979)
OKLCH	oklch(45.55% 0.198 273.3)
XYZ	xyz(13.3127, 8.4601, 51.9599)
Luminance	0.0846 (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

#3A40C2 #C2BC3A

analogous

#3A84C2 #3A40C2 #783AC2

triadic

#3A40C2 #C23A40 #40C23A

tetradic

#3A40C2 #C23A84 #C2BC3A #3AC278

square

#3A40C2 #C23A84 #C2BC3A #3AC278

split-complementary

#3A40C2 #C2783A #84C23A

monochromatic

#1E2164 #2C3093 #3A40C2 #676CD2 #979AE0

Accessibility & contrast

On white

7.80

#3A40C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3A40C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40C2

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40C2	#FFFFFF	#000000	##FFFFFF
##3A40C2	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C6

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a40c2;
/* rgb */ color: rgb(58, 64, 194);
/* oklch */ color: oklch(45.6% 0.198 273.3);

Tailwind

colors: {
  custom: {
    50: '#8375d6',
    500: '#3a40c2',
    950: '#000000',
  },
}

SCSS

$custom: #3a40c2;
$custom-light: #8375d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40c2",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 194
  },
  "hsl": {
    "h": 237.353,
    "s": 53.968,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45551,
    "c": 0.19825,
    "h": 273.3
  },
  "luminance": 0.08461
}

Semantic roles & 50–950 ramp

primary

#3A40C2

secondary

#CBC98D

accent

#D74ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A40C2

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

Preview Lab → · Contrast checker → · Palette generator →