#3D40C1#3D40C1

#3D40C1 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.196 H 274.4°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3D40C1
RGB	rgb(61, 64, 193)
HSL	hsl(239, 52%, 50%)
HSV	hsv(239, 68%, 76%)
CMYK	cmyk(68.4%, 66.8%, 0%, 24.3%)
CIE-LAB	lab(35.02, 40.19, -67.74)
CIE-LCH	lch(35.02, 78.77, 300.68°)
OKLab	oklab(45.64% 0.015 -0.1956)
OKLCH	oklch(45.64% 0.196 274.4)
XYZ	xyz(13.3803, 8.5079, 51.3788)
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

#3D40C1 #C1BE3D

analogous

#3D82C1 #3D40C1 #7C3DC1

triadic

#3D40C1 #C13D40 #40C13D

tetradic

#3D40C1 #C13D82 #C1BE3D #3DC17C

square

#3D40C1 #C13D82 #C1BE3D #3DC17C

split-complementary

#3D40C1 #C17C3D #82C13D

monochromatic

#202164 #2E3192 #3D40C1 #6B6DD0 #999BDF

Accessibility & contrast

On white

7.77

#3D40C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3D40C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40C1

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40C1	#FFFFFF	#000000	##FFFFFF
##3D40C1	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)

#0058C5

Deuteranopia (green-blind)

#004CBF

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3d40c1;
/* rgb */ color: rgb(61, 64, 193);
/* oklch */ color: oklch(45.6% 0.196 274.4);

Tailwind

colors: {
  custom: {
    50: '#8475d5',
    500: '#3d40c1',
    950: '#000000',
  },
}

SCSS

$custom: #3d40c1;
$custom-light: #8475d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40c1",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 193
  },
  "hsl": {
    "h": 238.636,
    "s": 51.969,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45642,
    "c": 0.19623,
    "h": 274.4
  },
  "luminance": 0.08509
}

Semantic roles & 50–950 ramp

primary

#3D40C1

secondary

#CBC98F

accent

#D84CDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3D40C1

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

Preview Lab → · Contrast checker → · Palette generator →