#4345D9#4345D9

#4345D9 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.0% C 0.219 H 274.2°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#4345D9
RGB	rgb(67, 69, 217)
HSL	hsl(239, 66%, 56%)
HSV	hsv(239, 69%, 85%)
CMYK	cmyk(69.1%, 68.2%, 0%, 14.9%)
CIE-LAB	lab(38.65, 45.94, -75.68)
CIE-LCH	lch(38.65, 88.53, 301.26°)
OKLab	oklab(49.03% 0.0159 -0.2187)
OKLCH	oklch(49.03% 0.219 274.2)
XYZ	xyz(16.9631, 10.4577, 66.7568)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4345D9 #D9D743

analogous

#4390D9 #4345D9 #8C43D9

triadic

#4345D9 #D94345 #45D943

tetradic

#4345D9 #D94390 #D9D743 #43D98C

square

#4345D9 #D94390 #D9D743 #43D98C

split-complementary

#4345D9 #D98C43 #90D943

monochromatic

#1B1D86 #2527B9 #4345D9 #7677E3 #A9AAEE

Accessibility & contrast

On white

6.79

#4345D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4345D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4345D9

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4345D9	#FFFFFF	#000000	##FFFFFF
##4345D9	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DE

Deuteranopia (green-blind)

#0054D6

Tritanopia (blue-blind)

#006D8A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4345d9;
/* rgb */ color: rgb(67, 69, 217);
/* oklch */ color: oklch(49.0% 0.219 274.2);

Tailwind

colors: {
  custom: {
    50: '#8b7ae6',
    500: '#4345d9',
    950: '#000000',
  },
}

SCSS

$custom: #4345d9;
$custom-light: #8b7ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4345d9",
  "rgb": {
    "r": 67,
    "g": 69,
    "b": 217
  },
  "hsl": {
    "h": 239.2,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.49027,
    "c": 0.21929,
    "h": 274.2
  },
  "luminance": 0.10459
}

Semantic roles & 50–950 ramp

primary

#4345D9

secondary

#DBDA9D

accent

#E73FE9

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4345D9

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

Preview Lab → · Contrast checker → · Palette generator →