#4551DF#4551DF

#4551DF is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 51.6% C 0.213 H 272.6°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4551DF
RGB	rgb(69, 81, 223)
HSL	hsl(235, 71%, 57%)
HSV	hsv(235, 69%, 87%)
CMYK	cmyk(69.1%, 63.7%, 0%, 12.5%)
CIE-LAB	lab(41.96, 41.03, -73.67)
CIE-LCH	lch(41.96, 84.33, 299.11°)
OKLab	oklab(51.62% 0.0097 -0.2127)
OKLCH	oklch(51.62% 0.213 272.6)
XYZ	xyz(18.7115, 12.4760, 71.2197)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551DF #DFD345

analogous

#459EDF #4551DF #8645DF

triadic

#4551DF #DF4551 #51DF45

tetradic

#4551DF #DF459E #DFD345 #45DF86

square

#4551DF #DF459E #DFD345 #45DF86

split-complementary

#4551DF #DF8645 #9EDF45

monochromatic

#192291 #222FC5 #4551DF #7982E8 #ADB3F1

Accessibility & contrast

On white

6.01

#4551DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4551DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551DF

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551DF	#FFFFFF	#000000	##FFFFFF
##4551DF	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE4

Deuteranopia (green-blind)

#005CDC

Tritanopia (blue-blind)

#007691

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4551df;
/* rgb */ color: rgb(69, 81, 223);
/* oklch */ color: oklch(51.6% 0.213 272.6);

Tailwind

colors: {
  custom: {
    50: '#8c82ea',
    500: '#4551df',
    950: '#000000',
  },
}

SCSS

$custom: #4551df;
$custom-light: #8c82ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4551df",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 223
  },
  "hsl": {
    "h": 235.325,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.51624,
    "c": 0.21297,
    "h": 272.6
  },
  "luminance": 0.12478
}

Semantic roles & 50–950 ramp

primary

#4551DF

secondary

#DFDAA1

accent

#DF3AED

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4551DF

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

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