#6583E7#6583E7

#6583E7 is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.5% C 0.154 H 269.1°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#6583E7
RGB	rgb(101, 131, 231)
HSL	hsl(226, 73%, 65%)
HSV	hsv(226, 56%, 91%)
CMYK	cmyk(56.3%, 43.3%, 0%, 9.4%)
CIE-LAB	lab(56.85, 18.31, -54.04)
CIE-LCH	lch(56.85, 57.05, 288.72°)
OKLab	oklab(63.46% -0.0024 -0.1538)
OKLCH	oklch(63.46% 0.154 269.1)
XYZ	xyz(27.9021, 24.7667, 78.8959)
Luminance	0.2477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583E7 #E7C965

analogous

#65C4E7 #6583E7 #8865E7

triadic

#6583E7 #E76583 #83E765

tetradic

#6583E7 #E765C4 #E7C965 #65E788

square

#6583E7 #E765C4 #E7C965 #65E788

split-complementary

#6583E7 #E78865 #C4E765

monochromatic

#1C40B5 #3058DF #6583E7 #9AAEEF #CFD8F8

Accessibility & contrast

On white

3.53

#6583E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#6583E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583E7

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583E7	#FFFFFF	#000000	##000000
##6583E7	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578FEB

Deuteranopia (green-blind)

#4683E5

Tritanopia (blue-blind)

#0A99AA

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #6583e7;
/* rgb */ color: rgb(101, 131, 231);
/* oklch */ color: oklch(63.5% 0.154 269.1);

Tailwind

colors: {
  custom: {
    50: '#9aa6ef',
    500: '#6583e7',
    950: '#000000',
  },
}

SCSS

$custom: #6583e7;
$custom-light: #9aa6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6583e7",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 231
  },
  "hsl": {
    "h": 226.154,
    "s": 73.034,
    "l": 65.098
  },
  "oklch": {
    "l": 0.63457,
    "c": 0.15381,
    "h": 269.1
  },
  "luminance": 0.24769
}

Semantic roles & 50–950 ramp

primary

#6583E7

secondary

#EAE0BE

accent

#A810D5

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #6583E7

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

Preview Lab → · Contrast checker → · Palette generator →