#4551CF#4551CF

#4551CF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.3% C 0.192 H 273.1°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4551CF
RGB	rgb(69, 81, 207)
HSL	hsl(235, 59%, 54%)
HSV	hsv(235, 67%, 81%)
CMYK	cmyk(66.7%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(40.66, 35.57, -66.63)
CIE-LCH	lch(40.66, 75.53, 298.10°)
OKLab	oklab(50.26% 0.0105 -0.1921)
OKLCH	oklch(50.26% 0.192 273.1)
XYZ	xyz(16.6554, 11.6535, 60.3910)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551CF #CFC345

analogous

#4596CF #4551CF #7E45CF

triadic

#4551CF #CF4551 #51CF45

tetradic

#4551CF #CF4596 #CFC345 #45CF7E

square

#4551CF #CF4596 #CFC345 #45CF7E

split-complementary

#4551CF #CF7E45 #96CF45

monochromatic

#20277A #2C37AB #4551CF #767FDC #A6ACE8

Accessibility & contrast

On white

6.30

#4551CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#4551CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551CF

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551CF	#FFFFFF	#000000	##FFFFFF
##4551CF	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#005ACD

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4551cf;
/* rgb */ color: rgb(69, 81, 207);
/* oklch */ color: oklch(50.3% 0.192 273.1);

Tailwind

colors: {
  custom: {
    50: '#8982df',
    500: '#4551cf',
    950: '#000000',
  },
}

SCSS

$custom: #4551cf;
$custom-light: #8982df;
$custom-dark: #000000;

JSON

{
  "hex": "#4551cf",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 234.783,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50263,
    "c": 0.19239,
    "h": 273.1
  },
  "luminance": 0.11655
}

Semantic roles & 50–950 ramp

primary

#4551CF

secondary

#D5D09B

accent

#D546E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4551CF

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

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