#4340E2#4340E2

#4340E2 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.1% C 0.235 H 274.3°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#4340E2
RGB	rgb(67, 64, 226)
HSL	hsl(241, 74%, 57%)
HSV	hsv(241, 72%, 89%)
CMYK	cmyk(70.4%, 71.7%, 0%, 11.4%)
CIE-LAB	lab(38.46, 51.69, -81.14)
CIE-LCH	lch(38.46, 96.21, 302.50°)
OKLab	oklab(49.15% 0.0175 -0.2346)
OKLCH	oklch(49.15% 0.235 274.3)
XYZ	xyz(17.8710, 10.3493, 72.9926)
Luminance	0.1035 (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

#4340E2 #DFE240

analogous

#408EE2 #4340E2 #9440E2

triadic

#4340E2 #E24340 #40E243

tetradic

#4340E2 #E2408E #DFE240 #40E294

square

#4340E2 #E2408E #DFE240 #40E294

split-complementary

#4340E2 #E29440 #8EE240

monochromatic

#181692 #211EC7 #4340E2 #7775EA #ACAAF2

Accessibility & contrast

On white

6.84

#4340E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4340E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4340E2

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340E2	#FFFFFF	#000000	##FFFFFF
##4340E2	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E7

Deuteranopia (green-blind)

#0053DF

Tritanopia (blue-blind)

#006E8D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4340e2;
/* rgb */ color: rgb(67, 64, 226);
/* oklch */ color: oklch(49.1% 0.235 274.3);

Tailwind

colors: {
  custom: {
    50: '#8d77ec',
    500: '#4340e2',
    950: '#000000',
  },
}

SCSS

$custom: #4340e2;
$custom-light: #8d77ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4340e2",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 226
  },
  "hsl": {
    "h": 241.111,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.49145,
    "c": 0.23529,
    "h": 274.3
  },
  "luminance": 0.10351
}

Semantic roles & 50–950 ramp

primary

#4340E2

secondary

#DFE09E

accent

#F038ED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4340E2

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

Preview Lab → · Contrast checker → · Palette generator →