#4551D3#4551D3

#4551D3 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.6% C 0.198 H 273.0°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4551D3
RGB	rgb(69, 81, 211)
HSL	hsl(235, 62%, 55%)
HSV	hsv(235, 67%, 83%)
CMYK	cmyk(67.3%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(40.98, 36.94, -68.42)
CIE-LCH	lch(40.98, 77.75, 298.37°)
OKLab	oklab(50.6% 0.0104 -0.1973)
OKLCH	oklch(50.6% 0.198 273)
XYZ	xyz(17.1506, 11.8516, 62.9991)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551D3 #D3C745

analogous

#4598D3 #4551D3 #8045D3

triadic

#4551D3 #D34551 #51D345

tetradic

#4551D3 #D34598 #D3C745 #45D380

square

#4551D3 #D34598 #D3C745 #45D380

split-complementary

#4551D3 #D38045 #98D345

monochromatic

#1E267F #2A35B1 #4551D3 #767FDF #A8AEEA

Accessibility & contrast

On white

6.23

#4551D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4551D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551D3

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551D3	#FFFFFF	#000000	##FFFFFF
##4551D3	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#005AD0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4551d3;
/* rgb */ color: rgb(69, 81, 211);
/* oklch */ color: oklch(50.6% 0.198 273.0);

Tailwind

colors: {
  custom: {
    50: '#8982e1',
    500: '#4551d3',
    950: '#000000',
  },
}

SCSS

$custom: #4551d3;
$custom-light: #8982e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4551d3",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 234.93,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50598,
    "c": 0.1976,
    "h": 273
  },
  "luminance": 0.11853
}

Semantic roles & 50–950 ramp

primary

#4551D3

secondary

#D8D39C

accent

#D743E5

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4551D3

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

Preview Lab → · Contrast checker → · Palette generator →