#6583DB#6583DB

#6583DB is a light, vivid blue. Relative luminance 0.241; OKLCH L 62.7% C 0.137 H 268.1°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#6583DB
RGB	rgb(101, 131, 219)
HSL	hsl(225, 62%, 63%)
HSV	hsv(225, 54%, 86%)
CMYK	cmyk(53.9%, 40.2%, 0%, 14.1%)
CIE-LAB	lab(56.20, 14.47, -48.36)
CIE-LCH	lch(56.20, 50.48, 286.66°)
OKLab	oklab(62.75% -0.0045 -0.1371)
OKLCH	oklch(62.75% 0.137 268.1)
XYZ	xyz(26.2651, 24.1119, 70.2741)
Luminance	0.2411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583DB #DBBD65

analogous

#65BEDB #6583DB #8265DB

triadic

#6583DB #DB6583 #83DB65

tetradic

#6583DB #DB65BE #DBBD65 #65DB82

square

#6583DB #DB65BE #DBBD65 #65DB82

split-complementary

#6583DB #DB8265 #BEDB65

monochromatic

#2545A0 #335BCF #6583DB #97ABE7 #C8D3F2

Accessibility & contrast

On white

3.61

#6583DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#6583DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583DB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583DB	#FFFFFF	#000000	##000000
##6583DB	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8CDE

Deuteranopia (green-blind)

#5182D9

Tritanopia (blue-blind)

#2696A4

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #6583db;
/* rgb */ color: rgb(101, 131, 219);
/* oklch */ color: oklch(62.7% 0.137 268.1);

Tailwind

colors: {
  custom: {
    50: '#98a6e6',
    500: '#6583db',
    950: '#000000',
  },
}

SCSS

$custom: #6583db;
$custom-light: #98a6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#6583db",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 219
  },
  "hsl": {
    "h": 224.746,
    "s": 62.105,
    "l": 62.745
  },
  "oklch": {
    "l": 0.6275,
    "c": 0.13722,
    "h": 268.1
  },
  "luminance": 0.24114
}

Semantic roles & 50–950 ramp

primary

#6583DB

secondary

#E3D8B9

accent

#9E1CCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #6583DB

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

Preview Lab → · Contrast checker → · Palette generator →