#6458CC#6458CC

#6458CC is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.4% C 0.173 H 283.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#6458CC
RGB	rgb(100, 88, 204)
HSL	hsl(246, 53%, 57%)
HSV	hsv(246, 57%, 80%)
CMYK	cmyk(51%, 56.9%, 0%, 20%)
CIE-LAB	lab(44.30, 35.69, -58.89)
CIE-LCH	lch(44.30, 68.86, 301.21°)
OKLab	oklab(53.45% 0.0406 -0.1684)
OKLCH	oklch(53.45% 0.173 283.5)
XYZ	xyz(19.6410, 14.0474, 58.7915)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6458CC #C0CC58

analogous

#5886CC #6458CC #9E58CC

triadic

#6458CC #CC6458 #58CC64

tetradic

#6458CC #CC5886 #C0CC58 #58CC9E

square

#6458CC #CC5886 #C0CC58 #58CC9E

split-complementary

#6458CC #CC9E58 #86CC58

monochromatic

#312882 #4336B1 #6458CC #9087DA #BBB6E9

Accessibility & contrast

On white

5.51

#6458CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#6458CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6458CC

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6458CC	#FFFFFF	#000000	##FFFFFF
##6458CC	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0065CA

Tritanopia (blue-blind)

#3C7389

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6458cc;
/* rgb */ color: rgb(100, 88, 204);
/* oklch */ color: oklch(53.4% 0.173 283.5);

Tailwind

colors: {
  custom: {
    50: '#9887dc',
    500: '#6458cc',
    950: '#000000',
  },
}

SCSS

$custom: #6458cc;
$custom-light: #9887dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6458cc",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 246.207,
    "s": 53.211,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53446,
    "c": 0.17326,
    "h": 283.5
  },
  "luminance": 0.14048
}

Semantic roles & 50–950 ramp

primary

#6458CC

secondary

#D3D7A8

accent

#DD4BCE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6458CC

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

Preview Lab → · Contrast checker → · Palette generator →