#4B5BCE#4B5BCE

#4B5BCE is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.4% C 0.177 H 272.7°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BCE
RGB	rgb(75, 91, 206)
HSL	hsl(233, 57%, 55%)
HSV	hsv(233, 64%, 81%)
CMYK	cmyk(63.6%, 55.8%, 0%, 19.2%)
CIE-LAB	lab(43.41, 29.89, -61.57)
CIE-LCH	lch(43.41, 68.44, 295.89°)
OKLab	oklab(52.38% 0.0085 -0.177)
OKLCH	oklch(52.38% 0.177 272.7)
XYZ	xyz(17.7796, 13.4327, 60.0364)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BCE #CEBE4B

analogous

#4B9CCE #4B5BCE #7D4BCE

triadic

#4B5BCE #CE4B5B #5BCE4B

tetradic

#4B5BCE #CE4B9C #CEBE4B #4BCE7D

square

#4B5BCE #CE4B9C #CEBE4B #4BCE7D

split-complementary

#4B5BCE #CE7D4B #9CCE4B

monochromatic

#222D7D #2F3EAD #4B5BCE #7B87DB #ABB3E8

Accessibility & contrast

On white

5.70

#4B5BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#4B5BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BCE

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BCE	#FFFFFF	#000000	##FFFFFF
##4B5BCE	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD2

Deuteranopia (green-blind)

#0061CC

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b5bce;
/* rgb */ color: rgb(75, 91, 206);
/* oklch */ color: oklch(52.4% 0.177 272.7);

Tailwind

colors: {
  custom: {
    50: '#8b89de',
    500: '#4b5bce',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bce;
$custom-light: #8b89de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bce",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 206
  },
  "hsl": {
    "h": 232.672,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52375,
    "c": 0.17718,
    "h": 272.7
  },
  "luminance": 0.13434
}

Semantic roles & 50–950 ramp

primary

#4B5BCE

secondary

#D6CF9F

accent

#CE47E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B5BCE

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

Preview Lab → · Contrast checker → · Palette generator →