#4555CC#4555CC

#4555CC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.7% C 0.184 H 272.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4555CC
RGB	rgb(69, 85, 204)
HSL	hsl(233, 57%, 54%)
HSV	hsv(233, 66%, 80%)
CMYK	cmyk(66.2%, 58.3%, 0%, 20%)
CIE-LAB	lab(41.41, 32.03, -63.69)
CIE-LCH	lch(41.41, 71.29, 296.70°)
OKLab	oklab(50.74% 0.0073 -0.1834)
OKLCH	oklch(50.74% 0.184 272.3)
XYZ	xyz(16.5982, 12.1203, 58.5798)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4555CC #CCBC45

analogous

#4598CC #4555CC #7845CC

triadic

#4555CC #CC4555 #55CC45

tetradic

#4555CC #CC4598 #CCBC45 #45CC78

square

#4555CC #CC4598 #CCBC45 #45CC78

split-complementary

#4555CC #CC7845 #98CC45

monochromatic

#202B76 #2E3CA6 #4555CC #7581D9 #A5ADE6

Accessibility & contrast

On white

6.13

#4555CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4555CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555CC

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4555CC	#FFFFFF	#000000	##FFFFFF
##4555CC	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005CCA

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4555cc;
/* rgb */ color: rgb(69, 85, 204);
/* oklch */ color: oklch(50.7% 0.184 272.3);

Tailwind

colors: {
  custom: {
    50: '#8884dc',
    500: '#4555cc',
    950: '#000000',
  },
}

SCSS

$custom: #4555cc;
$custom-light: #8884dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4555cc",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 204
  },
  "hsl": {
    "h": 232.889,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50744,
    "c": 0.18354,
    "h": 272.3
  },
  "luminance": 0.12122
}

Semantic roles & 50–950 ramp

primary

#4555CC

secondary

#D3CC99

accent

#CE48E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4555CC

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

Preview Lab → · Contrast checker → · Palette generator →