#4551D2#4551D2

#4551D2 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.5% C 0.196 H 273.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4551D2
RGB	rgb(69, 81, 210)
HSL	hsl(235, 61%, 55%)
HSV	hsv(235, 67%, 82%)
CMYK	cmyk(67.1%, 61.4%, 0%, 17.6%)
CIE-LAB	lab(40.90, 36.60, -67.97)
CIE-LCH	lch(40.90, 77.20, 298.30°)
OKLab	oklab(50.51% 0.0104 -0.196)
OKLCH	oklch(50.51% 0.196 273)
XYZ	xyz(17.0256, 11.8016, 62.3410)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551D2 #D2C645

analogous

#4597D2 #4551D2 #8045D2

triadic

#4551D2 #D24551 #51D245

tetradic

#4551D2 #D24597 #D2C645 #45D280

square

#4551D2 #D24597 #D2C645 #45D280

split-complementary

#4551D2 #D28045 #97D245

monochromatic

#1F277E #2A36AF #4551D2 #767FDE #A8ADEA

Accessibility & contrast

On white

6.25

#4551D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4551D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551D2

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551D2	#FFFFFF	#000000	##FFFFFF
##4551D2	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D6

Deuteranopia (green-blind)

#005ACF

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4551d2;
/* rgb */ color: rgb(69, 81, 210);
/* oklch */ color: oklch(50.5% 0.196 273.0);

Tailwind

colors: {
  custom: {
    50: '#8982e1',
    500: '#4551d2',
    950: '#000000',
  },
}

SCSS

$custom: #4551d2;
$custom-light: #8982e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4551d2",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 210
  },
  "hsl": {
    "h": 234.894,
    "s": 61.039,
    "l": 54.706
  },
  "oklch": {
    "l": 0.50514,
    "c": 0.19631,
    "h": 273
  },
  "luminance": 0.11803
}

Semantic roles & 50–950 ramp

primary

#4551D2

secondary

#D7D29C

accent

#D644E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4551D2

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

Preview Lab → · Contrast checker → · Palette generator →