#4B5ACE#4B5ACE

#4B5ACE is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.2% C 0.178 H 273.0°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4B5ACE
RGB	rgb(75, 90, 206)
HSL	hsl(233, 57%, 55%)
HSV	hsv(233, 64%, 81%)
CMYK	cmyk(63.6%, 56.3%, 0%, 19.2%)
CIE-LAB	lab(43.16, 30.51, -61.98)
CIE-LCH	lch(43.16, 69.09, 296.21°)
OKLab	oklab(52.19% 0.0094 -0.1782)
OKLCH	oklch(52.19% 0.178 273)
XYZ	xyz(17.6947, 13.2629, 60.0081)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5ACE #CEBF4B

analogous

#4B9BCE #4B5ACE #7E4BCE

triadic

#4B5ACE #CE4B5A #5ACE4B

tetradic

#4B5ACE #CE4B9B #CEBF4B #4BCE7E

square

#4B5ACE #CE4B9B #CEBF4B #4BCE7E

split-complementary

#4B5ACE #CE7E4B #9BCE4B

monochromatic

#222C7D #2F3DAD #4B5ACE #7B86DB #ABB2E8

Accessibility & contrast

On white

5.75

#4B5ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4B5ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5ACE

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5ACE	#FFFFFF	#000000	##FFFFFF
##4B5ACE	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD2

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4b5ace;
/* rgb */ color: rgb(75, 90, 206);
/* oklch */ color: oklch(52.2% 0.178 273.0);

Tailwind

colors: {
  custom: {
    50: '#8b88de',
    500: '#4b5ace',
    950: '#000000',
  },
}

SCSS

$custom: #4b5ace;
$custom-light: #8b88de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5ace",
  "rgb": {
    "r": 75,
    "g": 90,
    "b": 206
  },
  "hsl": {
    "h": 233.13,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52187,
    "c": 0.17844,
    "h": 273
  },
  "luminance": 0.13264
}

Semantic roles & 50–950 ramp

primary

#4B5ACE

secondary

#D6D09F

accent

#CF47E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B5ACE

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

Preview Lab → · Contrast checker → · Palette generator →