#4C58CB#4C58CB

#4C58CB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.6% C 0.177 H 274.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4C58CB
RGB	rgb(76, 88, 203)
HSL	hsl(234, 55%, 55%)
HSV	hsv(234, 63%, 80%)
CMYK	cmyk(62.6%, 56.7%, 0%, 20.4%)
CIE-LAB	lab(42.50, 30.91, -61.31)
CIE-LCH	lch(42.50, 68.66, 296.75°)
OKLab	oklab(51.65% 0.0122 -0.1762)
OKLCH	oklch(51.65% 0.177 274)
XYZ	xyz(17.2461, 12.8263, 58.0552)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C58CB #CBBF4C

analogous

#4C97CB #4C58CB #804CCB

triadic

#4C58CB #CB4C58 #58CB4C

tetradic

#4C58CB #CB4C97 #CBBF4C #4CCB80

square

#4C58CB #CB4C97 #CBBF4C #4CCB80

split-complementary

#4C58CB #CB804C #97CB4C

monochromatic

#232B79 #313CA9 #4C58CB #7B84D9 #ABB0E7

Accessibility & contrast

On white

5.89

#4C58CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4C58CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C58CB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C58CB	#FFFFFF	#000000	##FFFFFF
##4C58CB	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)

#006ACF

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4c58cb;
/* rgb */ color: rgb(76, 88, 203);
/* oklch */ color: oklch(51.6% 0.177 274.0);

Tailwind

colors: {
  custom: {
    50: '#8b87dc',
    500: '#4c58cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c58cb;
$custom-light: #8b87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c58cb",
  "rgb": {
    "r": 76,
    "g": 88,
    "b": 203
  },
  "hsl": {
    "h": 234.331,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51645,
    "c": 0.17665,
    "h": 274
  },
  "luminance": 0.12828
}

Semantic roles & 50–950 ramp

primary

#4C58CB

secondary

#D4CF9F

accent

#D049DE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4C58CB

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

Preview Lab → · Contrast checker → · Palette generator →