#3B40DE#3B40DE

#3B40DE is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.3% C 0.233 H 272.2°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#3B40DE
RGB	rgb(59, 64, 222)
HSL	hsl(238, 71%, 55%)
HSV	hsv(238, 73%, 87%)
CMYK	cmyk(73.4%, 71.2%, 0%, 12.9%)
CIE-LAB	lab(37.61, 49.64, -80.28)
CIE-LCH	lch(37.61, 94.39, 301.73°)
OKLab	oklab(48.29% 0.0091 -0.2323)
OKLCH	oklch(48.29% 0.233 272.2)
XYZ	xyz(16.8174, 9.8688, 70.1116)
Luminance	0.0987 (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

#3B40DE #DED93B

analogous

#3B91DE #3B40DE #883BDE

triadic

#3B40DE #DE3B40 #40DE3B

tetradic

#3B40DE #DE3B91 #DED93B #3BDE88

square

#3B40DE #DE3B91 #DED93B #3BDE88

split-complementary

#3B40DE #DE883B #91DE3B

monochromatic

#171A88 #2024BC #3B40DE #6F73E7 #A4A6F0

Accessibility & contrast

On white

7.06

#3B40DE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3B40DE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B40DE

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B40DE	#FFFFFF	#000000	##FFFFFF
##3B40DE	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E3

Deuteranopia (green-blind)

#0051DB

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b40de;
/* rgb */ color: rgb(59, 64, 222);
/* oklch */ color: oklch(48.3% 0.233 272.2);

Tailwind

colors: {
  custom: {
    50: '#8976ea',
    500: '#3b40de',
    950: '#000000',
  },
}

SCSS

$custom: #3b40de;
$custom-light: #8976ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3b40de",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 222
  },
  "hsl": {
    "h": 238.16,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48293,
    "c": 0.2325,
    "h": 272.2
  },
  "luminance": 0.09871
}

Semantic roles & 50–950 ramp

primary

#3B40DE

secondary

#DDDA98

accent

#E83AEE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3B40DE

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

Preview Lab → · Contrast checker → · Palette generator →