#6458CB#6458CB

#6458CB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.4% C 0.172 H 283.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#6458CB
RGB	rgb(100, 88, 203)
HSL	hsl(246, 53%, 57%)
HSV	hsv(246, 57%, 80%)
CMYK	cmyk(50.7%, 56.7%, 0%, 20.4%)
CIE-LAB	lab(44.23, 35.38, -58.43)
CIE-LCH	lch(44.23, 68.31, 301.20°)
OKLab	oklab(53.37% 0.0406 -0.1671)
OKLCH	oklch(53.37% 0.172 283.6)
XYZ	xyz(19.5215, 13.9995, 58.1619)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6458CB #BFCB58

analogous

#5886CB #6458CB #9E58CB

triadic

#6458CB #CB6458 #58CB64

tetradic

#6458CB #CB5886 #BFCB58 #58CB9E

square

#6458CB #CB5886 #BFCB58 #58CB9E

split-complementary

#6458CB #CB9E58 #86CB58

monochromatic

#312881 #4337AF #6458CB #8F87DA #BBB5E8

Accessibility & contrast

On white

5.53

#6458CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#6458CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6458CB

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6458CB	#FFFFFF	#000000	##FFFFFF
##6458CB	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#3C7289

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6458cb;
/* rgb */ color: rgb(100, 88, 203);
/* oklch */ color: oklch(53.4% 0.172 283.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6458cb",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 203
  },
  "hsl": {
    "h": 246.261,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53373,
    "c": 0.17193,
    "h": 283.6
  },
  "luminance": 0.14001
}

Semantic roles & 50–950 ramp

primary

#6458CB

secondary

#D2D7A8

accent

#DC4CCD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6458CB

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

Preview Lab → · Contrast checker → · Palette generator →