#4B58CC#4B58CC

#4B58CC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.178 H 273.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4B58CC
RGB	rgb(75, 88, 204)
HSL	hsl(234, 56%, 55%)
HSV	hsv(234, 63%, 80%)
CMYK	cmyk(63.2%, 56.9%, 0%, 20%)
CIE-LAB	lab(42.51, 31.08, -61.88)
CIE-LCH	lch(42.51, 69.25, 296.67°)
OKLab	oklab(51.66% 0.0111 -0.1779)
OKLCH	oklch(51.66% 0.178 273.6)
XYZ	xyz(17.2868, 12.8335, 58.6812)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B58CC #CCBF4B

analogous

#4B99CC #4B58CC #7E4BCC

triadic

#4B58CC #CC4B58 #58CC4B

tetradic

#4B58CC #CC4B99 #CCBF4B #4BCC7E

square

#4B58CC #CC4B99 #CCBF4B #4BCC7E

split-complementary

#4B58CC #CC7E4B #99CC4B

monochromatic

#232B7A #303CAA #4B58CC #7B84DA #AAB0E7

Accessibility & contrast

On white

5.89

#4B58CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4B58CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B58CC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B58CC	#FFFFFF	#000000	##FFFFFF
##4B58CC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4b58cc;
/* rgb */ color: rgb(75, 88, 204);
/* oklch */ color: oklch(51.7% 0.178 273.6);

Tailwind

colors: {
  custom: {
    50: '#8a87dc',
    500: '#4b58cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b58cc;
$custom-light: #8a87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b58cc",
  "rgb": {
    "r": 75,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 233.953,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5166,
    "c": 0.17825,
    "h": 273.6
  },
  "luminance": 0.12835
}

Semantic roles & 50–950 ramp

primary

#4B58CC

secondary

#D5CF9E

accent

#D049DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B58CC

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

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