#4343DB#4343DB

#4343DB is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.9% C 0.224 H 274.3°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#4343DB
RGB	rgb(67, 67, 219)
HSL	hsl(240, 68%, 56%)
HSV	hsv(240, 69%, 86%)
CMYK	cmyk(69.4%, 69.4%, 0%, 14.1%)
CIE-LAB	lab(38.41, 47.75, -77.22)
CIE-LCH	lch(38.41, 90.79, 301.73°)
OKLab	oklab(48.91% 0.0169 -0.2232)
OKLCH	oklch(48.91% 0.224 274.3)
XYZ	xyz(17.1038, 10.3204, 68.0948)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4343DB #DBDB43

analogous

#438FDB #4343DB #8F43DB

triadic

#4343DB #DB4343 #43DB43

tetradic

#4343DB #DB438F #DBDB43 #43DB8F

square

#4343DB #DB438F #DBDB43 #43DB8F

split-complementary

#4343DB #DB8F43 #8FDB43

monochromatic

#1A1A89 #2424BD #4343DB #7676E5 #AAAAEF

Accessibility & contrast

On white

6.85

#4343DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#4343DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4343DB

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4343DB	#FFFFFF	#000000	##FFFFFF
##4343DB	1.00	6.85	3.06	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E0

Deuteranopia (green-blind)

#0053D8

Tritanopia (blue-blind)

#006D8A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4343db;
/* rgb */ color: rgb(67, 67, 219);
/* oklch */ color: oklch(48.9% 0.224 274.3);

Tailwind

colors: {
  custom: {
    50: '#8b78e7',
    500: '#4343db',
    950: '#000000',
  },
}

SCSS

$custom: #4343db;
$custom-light: #8b78e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4343db",
  "rgb": {
    "r": 67,
    "g": 67,
    "b": 219
  },
  "hsl": {
    "h": 240,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.48909,
    "c": 0.22385,
    "h": 274.3
  },
  "luminance": 0.10322
}

Semantic roles & 50–950 ramp

primary

#4343DB

secondary

#DCDC9E

accent

#EB3DEB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4343DB

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

Preview Lab → · Contrast checker → · Palette generator →