#4B5BCF#4B5BCF

#4B5BCF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.179 H 272.7°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BCF
RGB	rgb(75, 91, 207)
HSL	hsl(233, 58%, 55%)
HSV	hsv(233, 64%, 81%)
CMYK	cmyk(63.8%, 56%, 0%, 18.8%)
CIE-LAB	lab(43.48, 30.23, -62.03)
CIE-LCH	lch(43.48, 69.01, 295.98°)
OKLab	oklab(52.45% 0.0085 -0.1783)
OKLCH	oklch(52.45% 0.179 272.7)
XYZ	xyz(17.9015, 13.4815, 60.6782)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BCF #CFBF4B

analogous

#4B9DCF #4B5BCF #7D4BCF

triadic

#4B5BCF #CF4B5B #5BCF4B

tetradic

#4B5BCF #CF4B9D #CFBF4B #4BCF7D

square

#4B5BCF #CF4B9D #CFBF4B #4BCF7D

split-complementary

#4B5BCF #CF7D4B #9DCF4B

monochromatic

#222D7E #2E3EAE #4B5BCF #7B87DC #ACB3E9

Accessibility & contrast

On white

5.68

#4B5BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#4B5BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BCF

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BCF	#FFFFFF	#000000	##FFFFFF
##4B5BCF	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b5bcf;
/* rgb */ color: rgb(75, 91, 207);
/* oklch */ color: oklch(52.5% 0.179 272.7);

Tailwind

colors: {
  custom: {
    50: '#8b89de',
    500: '#4b5bcf',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bcf;
$custom-light: #8b89de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bcf",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 207
  },
  "hsl": {
    "h": 232.727,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.52451,
    "c": 0.17853,
    "h": 272.7
  },
  "luminance": 0.13483
}

Semantic roles & 50–950 ramp

primary

#4B5BCF

secondary

#D6D09F

accent

#CE47E1

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B5BCF

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

Preview Lab → · Contrast checker → · Palette generator →