#6591DC#6591DC

#6591DC is a light, vivid blue. Relative luminance 0.282; OKLCH L 65.7% C 0.123 H 260.6°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#6591DC
RGB	rgb(101, 145, 220)
HSL	hsl(218, 63%, 63%)
HSV	hsv(218, 54%, 86%)
CMYK	cmyk(54.1%, 34.1%, 0%, 13.7%)
CIE-LAB	lab(60.05, 6.48, -42.82)
CIE-LCH	lch(60.05, 43.31, 278.60°)
OKLab	oklab(65.75% -0.0201 -0.1209)
OKLCH	oklch(65.75% 0.123 260.6)
XYZ	xyz(28.4061, 28.1826, 71.6392)
Luminance	0.2818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591DC #DCB065

analogous

#65CDDC #6591DC #7465DC

triadic

#6591DC #DC6591 #91DC65

tetradic

#6591DC #DC65CD #DCB065 #65DC74

square

#6591DC #DC65CD #DCB065 #65DC74

split-complementary

#6591DC #DC7465 #CDDC65

monochromatic

#2553A2 #336DD1 #6591DC #97B5E7 #C9D8F3

Accessibility & contrast

On white

3.16

#6591DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#6591DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591DC

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591DC	#FFFFFF	#000000	##000000
##6591DC	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7397DF

Deuteranopia (green-blind)

#648CDA

Tritanopia (blue-blind)

#1FA2AC

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #6591dc;
/* rgb */ color: rgb(101, 145, 220);
/* oklch */ color: oklch(65.7% 0.123 260.6);

Tailwind

colors: {
  custom: {
    50: '#98b0e7',
    500: '#6591dc',
    950: '#000000',
  },
}

SCSS

$custom: #6591dc;
$custom-light: #98b0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6591dc",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 220
  },
  "hsl": {
    "h": 217.815,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65749,
    "c": 0.12254,
    "h": 260.6
  },
  "luminance": 0.28185
}

Semantic roles & 50–950 ramp

primary

#6591DC

secondary

#E4D4B9

accent

#8A1BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6591DC

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

Preview Lab → · Contrast checker → · Palette generator →