#6583CA#6583CA

#6583CA is a mid, moderate blue. Relative luminance 0.233; OKLCH L 61.8% C 0.113 H 265.8°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#6583CA
RGB	rgb(101, 131, 202)
HSL	hsl(222, 49%, 59%)
HSV	hsv(222, 50%, 79%)
CMYK	cmyk(50%, 35.1%, 0%, 20.8%)
CIE-LAB	lab(55.34, 9.14, -40.13)
CIE-LCH	lch(55.34, 41.15, 282.83°)
OKLab	oklab(61.81% -0.0083 -0.1131)
OKLCH	oklch(61.81% 0.113 265.8)
XYZ	xyz(24.1403, 23.2620, 59.0836)
Luminance	0.2326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583CA #CAAC65

analogous

#65B6CA #6583CA #7A65CA

triadic

#6583CA #CA6583 #83CA65

tetradic

#6583CA #CA65B6 #CAAC65 #65CA7A

square

#6583CA #CA65B6 #CAAC65 #65CA7A

split-complementary

#6583CA #CA7A65 #B6CA65

monochromatic

#2E4886 #3E61B4 #6583CA #93A8DA #C0CCE9

Accessibility & contrast

On white

3.71

#6583CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#6583CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583CA

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583CA	#FFFFFF	#000000	##000000
##6583CA	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6889CD

Deuteranopia (green-blind)

#5D80C8

Tritanopia (blue-blind)

#39929D

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #6583ca;
/* rgb */ color: rgb(101, 131, 202);
/* oklch */ color: oklch(61.8% 0.113 265.8);

Tailwind

colors: {
  custom: {
    50: '#96a6da',
    500: '#6583ca',
    950: '#000000',
  },
}

SCSS

$custom: #6583ca;
$custom-light: #96a6da;
$custom-dark: #000000;

JSON

{
  "hex": "#6583ca",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 202
  },
  "hsl": {
    "h": 222.178,
    "s": 48.792,
    "l": 59.412
  },
  "oklch": {
    "l": 0.61806,
    "c": 0.11342,
    "h": 265.8
  },
  "luminance": 0.23264
}

Semantic roles & 50–950 ramp

primary

#6583CA

secondary

#D9CDB2

accent

#B04FD8

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6583CA

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

Preview Lab → · Contrast checker → · Palette generator →