#4B54CC#4B54CC

#4B54CC is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.9% C 0.183 H 274.6°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4B54CC
RGB	rgb(75, 84, 204)
HSL	hsl(236, 56%, 55%)
HSV	hsv(236, 63%, 80%)
CMYK	cmyk(63.2%, 58.8%, 0%, 20%)
CIE-LAB	lab(41.52, 33.59, -63.48)
CIE-LCH	lch(41.52, 71.82, 297.88°)
OKLab	oklab(50.93% 0.0147 -0.1827)
OKLCH	oklch(50.93% 0.183 274.6)
XYZ	xyz(16.9675, 12.1947, 58.5747)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B54CC #CCC34B

analogous

#4B95CC #4B54CC #834BCC

triadic

#4B54CC #CC4B54 #54CC4B

tetradic

#4B54CC #CC4B95 #CCC34B #4BCC83

square

#4B54CC #CC4B95 #CCC34B #4BCC83

split-complementary

#4B54CC #CC834B #95CC4B

monochromatic

#23297A #3039AA #4B54CC #7B81DA #AAAFE7

Accessibility & contrast

On white

6.11

#4B54CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#4B54CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B54CC

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B54CC	#FFFFFF	#000000	##FFFFFF
##4B54CC	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005CCA

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4b54cc;
/* rgb */ color: rgb(75, 84, 204);
/* oklch */ color: oklch(50.9% 0.183 274.6);

Tailwind

colors: {
  custom: {
    50: '#8b84dc',
    500: '#4b54cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b54cc;
$custom-light: #8b84dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b54cc",
  "rgb": {
    "r": 75,
    "g": 84,
    "b": 204
  },
  "hsl": {
    "h": 235.814,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.50927,
    "c": 0.18325,
    "h": 274.6
  },
  "luminance": 0.12196
}

Semantic roles & 50–950 ramp

primary

#4B54CC

secondary

#D5D19E

accent

#D549DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B54CC

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

Preview Lab → · Contrast checker → · Palette generator →