#4550CB#4550CB

#4550CB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.8% C 0.188 H 273.5°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#4550CB
RGB	rgb(69, 80, 203)
HSL	hsl(235, 56%, 53%)
HSV	hsv(235, 66%, 80%)
CMYK	cmyk(66%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(40.10, 34.82, -65.23)
CIE-LCH	lch(40.10, 73.95, 298.09°)
OKLab	oklab(49.75% 0.0114 -0.188)
OKLCH	oklch(49.75% 0.188 273.5)
XYZ	xyz(16.0988, 11.3129, 57.8235)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4550CB #CBC045

analogous

#4593CB #4550CB #7D45CB

triadic

#4550CB #CB4550 #50CB45

tetradic

#4550CB #CB4593 #CBC045 #45CB7D

square

#4550CB #CB4593 #CBC045 #45CB7D

split-complementary

#4550CB #CB7D45 #93CB45

monochromatic

#212875 #2E38A5 #4550CB #757DD8 #A5AAE6

Accessibility & contrast

On white

6.44

#4550CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4550CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4550CB

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4550CB	#FFFFFF	#000000	##FFFFFF
##4550CB	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4550cb;
/* rgb */ color: rgb(69, 80, 203);
/* oklch */ color: oklch(49.8% 0.188 273.5);

Tailwind

colors: {
  custom: {
    50: '#8881dc',
    500: '#4550cb',
    950: '#000000',
  },
}

SCSS

$custom: #4550cb;
$custom-light: #8881dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4550cb",
  "rgb": {
    "r": 69,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 235.075,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.49753,
    "c": 0.18834,
    "h": 273.5
  },
  "luminance": 0.11314
}

Semantic roles & 50–950 ramp

primary

#4550CB

secondary

#D3CE99

accent

#D348E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4550CB

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

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