#4058CC#4058CC

#4058CC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.0% C 0.181 H 269.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4058CC
RGB	rgb(64, 88, 204)
HSL	hsl(230, 58%, 53%)
HSV	hsv(230, 69%, 80%)
CMYK	cmyk(68.6%, 56.9%, 0%, 20%)
CIE-LAB	lab(41.89, 29.40, -62.92)
CIE-LCH	lch(41.89, 69.45, 295.05°)
OKLab	oklab(51.03% -0.0002 -0.1812)
OKLCH	oklch(51.03% 0.181 269.9)
XYZ	xyz(16.4994, 12.4275, 58.6442)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058CC #CCB440

analogous

#409ECC #4058CC #6E40CC

triadic

#4058CC #CC4058 #58CC40

tetradic

#4058CC #CC409E #CCB440 #40CC6E

square

#4058CC #CC409E #CCB440 #40CC6E

split-complementary

#4058CC #CC6E40 #9ECC40

monochromatic

#1F2D73 #2C40A3 #4058CC #7082D9 #A1ACE6

Accessibility & contrast

On white

6.02

#4058CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4058CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058CC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058CC	#FFFFFF	#000000	##FFFFFF
##4058CC	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4058cc;
/* rgb */ color: rgb(64, 88, 204);
/* oklch */ color: oklch(51.0% 0.181 269.9);

Tailwind

colors: {
  custom: {
    50: '#8586dc',
    500: '#4058cc',
    950: '#000000',
  },
}

SCSS

$custom: #4058cc;
$custom-light: #8586dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4058cc",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 229.714,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51028,
    "c": 0.18122,
    "h": 269.9
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary

#4058CC

secondary

#D2C895

accent

#C747E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4058CC

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

Preview Lab → · Contrast checker → · Palette generator →