#3D40DB#3D40DB

#3D40DB is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.228 H 272.9°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#3D40DB
RGB	rgb(61, 64, 219)
HSL	hsl(239, 69%, 55%)
HSV	hsv(239, 72%, 86%)
CMYK	cmyk(72.1%, 70.8%, 0%, 14.1%)
CIE-LAB	lab(37.43, 48.85, -78.85)
CIE-LCH	lch(37.43, 92.75, 301.78°)
OKLab	oklab(48.11% 0.0117 -0.2281)
OKLCH	oklch(48.11% 0.228 272.9)
XYZ	xyz(16.5398, 9.7717, 68.0186)
Luminance	0.0977 (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

#3D40DB #DBD83D

analogous

#3D8FDB #3D40DB #893DDB

triadic

#3D40DB #DB3D40 #40DB3D

tetradic

#3D40DB #DB3D8F #DBD83D #3DDB89

square

#3D40DB #DB3D8F #DBD83D #3DDB89

split-complementary

#3D40DB #DB893D #8FDB3D

monochromatic

#191B85 #2225B9 #3D40DB #7173E5 #A4A6EE

Accessibility & contrast

On white

7.11

#3D40DB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3D40DB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40DB

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40DB	#FFFFFF	#000000	##FFFFFF
##3D40DB	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E0

Deuteranopia (green-blind)

#0050D8

Tritanopia (blue-blind)

#006C89

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3d40db;
/* rgb */ color: rgb(61, 64, 219);
/* oklch */ color: oklch(48.1% 0.228 272.9);

Tailwind

colors: {
  custom: {
    50: '#8976e7',
    500: '#3d40db',
    950: '#000000',
  },
}

SCSS

$custom: #3d40db;
$custom-light: #8976e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40db",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 219
  },
  "hsl": {
    "h": 238.861,
    "s": 68.696,
    "l": 54.902
  },
  "oklch": {
    "l": 0.4811,
    "c": 0.2284,
    "h": 272.9
  },
  "luminance": 0.09773
}

Semantic roles & 50–950 ramp

primary

#3D40DB

secondary

#DBDA99

accent

#E83CEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3D40DB

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

Preview Lab → · Contrast checker → · Palette generator →