#4355D3#4355D3

#4355D3 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.2% C 0.193 H 271.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4355D3
RGB	rgb(67, 85, 211)
HSL	hsl(233, 62%, 55%)
HSV	hsv(233, 68%, 83%)
CMYK	cmyk(68.2%, 59.7%, 0%, 17.3%)
CIE-LAB	lab(41.83, 34.18, -67.03)
CIE-LCH	lch(41.83, 75.24, 297.02°)
OKLab	oklab(51.2% 0.0052 -0.1933)
OKLCH	oklch(51.2% 0.193 271.5)
XYZ	xyz(17.3171, 12.3918, 63.0946)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4355D3 #D3C143

analogous

#439DD3 #4355D3 #7943D3

triadic

#4355D3 #D34355 #55D343

tetradic

#4355D3 #D3439D #D3C143 #43D379

square

#4355D3 #D3439D #D3C143 #43D379

split-complementary

#4355D3 #D37943 #9DD343

monochromatic

#1E2A7E #293AB0 #4355D3 #7582DF #A6AFEA

Accessibility & contrast

On white

6.04

#4355D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4355D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4355D3

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4355D3	#FFFFFF	#000000	##FFFFFF
##4355D3	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D7

Deuteranopia (green-blind)

#005CD1

Tritanopia (blue-blind)

#00758C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4355d3;
/* rgb */ color: rgb(67, 85, 211);
/* oklch */ color: oklch(51.2% 0.193 271.5);

Tailwind

colors: {
  custom: {
    50: '#8884e1',
    500: '#4355d3',
    950: '#000000',
  },
}

SCSS

$custom: #4355d3;
$custom-light: #8884e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4355d3",
  "rgb": {
    "r": 67,
    "g": 85,
    "b": 211
  },
  "hsl": {
    "h": 232.5,
    "s": 62.069,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51198,
    "c": 0.19334,
    "h": 271.5
  },
  "luminance": 0.12393
}

Semantic roles & 50–950 ramp

primary

#4355D3

secondary

#D7D09A

accent

#D143E5

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4355D3

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

Preview Lab → · Contrast checker → · Palette generator →