#4B5ECC#4B5ECC

#4B5ECC is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.171 H 271.9°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4B5ECC
RGB	rgb(75, 94, 204)
HSL	hsl(231, 56%, 55%)
HSV	hsv(231, 63%, 80%)
CMYK	cmyk(63.2%, 53.9%, 0%, 20%)
CIE-LAB	lab(44.03, 27.31, -59.41)
CIE-LCH	lch(44.03, 65.39, 294.69°)
OKLab	oklab(52.8% 0.0056 -0.1706)
OKLCH	oklch(52.8% 0.171 271.9)
XYZ	xyz(17.7998, 13.8594, 58.8521)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5ECC #CCB94B

analogous

#4B9ECC #4B5ECC #794BCC

triadic

#4B5ECC #CC4B5E #5ECC4B

tetradic

#4B5ECC #CC4B9E #CCB94B #4BCC79

square

#4B5ECC #CC4B9E #CCB94B #4BCC79

split-complementary

#4B5ECC #CC794B #9ECC4B

monochromatic

#232F7A #3042AA #4B5ECC #7B89DA #AAB3E7

Accessibility & contrast

On white

5.57

#4B5ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4B5ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5ECC

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5ECC	#FFFFFF	#000000	##FFFFFF
##4B5ECC	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6ED0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4b5ecc;
/* rgb */ color: rgb(75, 94, 204);
/* oklch */ color: oklch(52.8% 0.171 271.9);

Tailwind

colors: {
  custom: {
    50: '#8a8bdc',
    500: '#4b5ecc',
    950: '#000000',
  },
}

SCSS

$custom: #4b5ecc;
$custom-light: #8a8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5ecc",
  "rgb": {
    "r": 75,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 231.163,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52797,
    "c": 0.17068,
    "h": 271.9
  },
  "luminance": 0.13861
}

Semantic roles & 50–950 ramp

primary

#4B5ECC

secondary

#D5CD9E

accent

#C949DF

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B5ECC

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

Preview Lab → · Contrast checker → · Palette generator →