#6591F3#6591F3

#6591F3 is a light, vivid blue. Relative luminance 0.295; OKLCH L 67.0% C 0.153 H 264.4°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#6591F3
RGB	rgb(101, 145, 243)
HSL	hsl(221, 86%, 67%)
HSV	hsv(221, 58%, 95%)
CMYK	cmyk(58.4%, 40.3%, 0%, 4.7%)
CIE-LAB	lab(61.21, 13.82, -53.74)
CIE-LCH	lch(61.21, 55.49, 284.42°)
OKLab	oklab(67.02% -0.0149 -0.1528)
OKLCH	oklch(67.02% 0.154 264.4)
XYZ	xyz(31.6643, 29.4859, 88.7994)
Luminance	0.2949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591F3 #F3C765

analogous

#65D8F3 #6591F3 #8065F3

triadic

#6591F3 #F36591 #91F365

tetradic

#6591F3 #F365D8 #F3C765 #65F380

square

#6591F3 #F365D8 #F3C765 #65F380

split-complementary

#6591F3 #F38065 #D8F365

monochromatic

#104BCE #2C68EF #6591F3 #9EBAF7 #D7E2FC

Accessibility & contrast

On white

3.04

#6591F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#6591F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591F3

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591F3	#FFFFFF	#000000	##000000
##6591F3	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#669BF7

Deuteranopia (green-blind)

#538EF1

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6591f3;
/* rgb */ color: rgb(101, 145, 243);
/* oklch */ color: oklch(67.0% 0.153 264.4);

Tailwind

colors: {
  custom: {
    50: '#9bb0f7',
    500: '#6591f3',
    950: '#000000',
  },
}

SCSS

$custom: #6591f3;
$custom-light: #9bb0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#6591f3",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 243
  },
  "hsl": {
    "h": 221.408,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.67021,
    "c": 0.1535,
    "h": 264.4
  },
  "luminance": 0.29489
}

Semantic roles & 50–950 ramp

primary

#6591F3

secondary

#F0E2C4

accent

#9D03E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6591F3

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

Preview Lab → · Contrast checker → · Palette generator →