#4555CB#4555CB

#4555CB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.7% C 0.182 H 272.3°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4555CB
RGB	rgb(69, 85, 203)
HSL	hsl(233, 56%, 53%)
HSV	hsv(233, 66%, 80%)
CMYK	cmyk(66%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(41.33, 31.69, -63.23)
CIE-LCH	lch(41.33, 70.73, 296.62°)
OKLab	oklab(50.66% 0.0073 -0.1821)
OKLCH	oklch(50.66% 0.182 272.3)
XYZ	xyz(16.4786, 12.0725, 57.9501)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4555CB #CBBB45

analogous

#4598CB #4555CB #7845CB

triadic

#4555CB #CB4555 #55CB45

tetradic

#4555CB #CB4598 #CBBB45 #45CB78

square

#4555CB #CB4598 #CBBB45 #45CB78

split-complementary

#4555CB #CB7845 #98CB45

monochromatic

#212B75 #2E3CA5 #4555CB #7581D8 #A5ACE6

Accessibility & contrast

On white

6.15

#4555CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4555CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555CB

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4555CB	#FFFFFF	#000000	##FFFFFF
##4555CB	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4555cb;
/* rgb */ color: rgb(69, 85, 203);
/* oklch */ color: oklch(50.7% 0.182 272.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4555cb",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 232.836,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50664,
    "c": 0.18222,
    "h": 272.3
  },
  "luminance": 0.12074
}

Semantic roles & 50–950 ramp

primary

#4555CB

secondary

#D3CC99

accent

#CE48E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4555CB

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

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