#4551D4#4551D4

#4551D4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.7% C 0.199 H 273.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4551D4
RGB	rgb(69, 81, 212)
HSL	hsl(235, 62%, 55%)
HSV	hsv(235, 67%, 83%)
CMYK	cmyk(67.5%, 61.8%, 0%, 16.9%)
CIE-LAB	lab(41.06, 37.28, -68.86)
CIE-LCH	lch(41.06, 78.31, 298.43°)
OKLab	oklab(50.68% 0.0103 -0.1986)
OKLCH	oklch(50.68% 0.199 273)
XYZ	xyz(17.2764, 11.9019, 63.6614)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551D4 #D4C845

analogous

#4598D4 #4551D4 #8045D4

triadic

#4551D4 #D44551 #51D445

tetradic

#4551D4 #D44598 #D4C845 #45D480

square

#4551D4 #D44598 #D4C845 #45D480

split-complementary

#4551D4 #D48045 #98D445

monochromatic

#1E2681 #2935B3 #4551D4 #7780DF #A8AEEB

Accessibility & contrast

On white

6.21

#4551D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#4551D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551D4

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551D4	#FFFFFF	#000000	##FFFFFF
##4551D4	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D8

Deuteranopia (green-blind)

#005AD1

Tritanopia (blue-blind)

#00728B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4551d4;
/* rgb */ color: rgb(69, 81, 212);
/* oklch */ color: oklch(50.7% 0.199 273.0);

Tailwind

colors: {
  custom: {
    50: '#8a82e2',
    500: '#4551d4',
    950: '#000000',
  },
}

SCSS

$custom: #4551d4;
$custom-light: #8a82e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4551d4",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 212
  },
  "hsl": {
    "h": 234.965,
    "s": 62.445,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50682,
    "c": 0.1989,
    "h": 273
  },
  "luminance": 0.11904
}

Semantic roles & 50–950 ramp

primary

#4551D4

secondary

#D8D39C

accent

#D842E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #4551D4

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

Preview Lab → · Contrast checker → · Palette generator →