#6591F4#6591F4

#6591F4 is a light, vivid blue. Relative luminance 0.295; OKLCH L 67.1% C 0.155 H 264.5°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#6591F4
RGB	rgb(101, 145, 244)
HSL	hsl(222, 87%, 68%)
HSV	hsv(222, 59%, 96%)
CMYK	cmyk(58.6%, 40.6%, 0%, 4.3%)
CIE-LAB	lab(61.26, 14.15, -54.21)
CIE-LCH	lch(61.26, 56.02, 284.63°)
OKLab	oklab(67.08% -0.0147 -0.1541)
OKLCH	oklch(67.08% 0.155 264.5)
XYZ	xyz(31.8158, 29.5465, 89.5968)
Luminance	0.2955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591F4 #F4C865

analogous

#65D9F4 #6591F4 #8065F4

triadic

#6591F4 #F46591 #91F465

tetradic

#6591F4 #F465D9 #F4C865 #65F480

square

#6591F4 #F465D9 #F4C865 #65F480

split-complementary

#6591F4 #F48065 #D9F465

monochromatic

#0F4AD0 #2C68F0 #6591F4 #9EBAF8 #D7E3FC

Accessibility & contrast

On white

3.04

#6591F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#6591F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591F4

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591F4	#FFFFFF	#000000	##000000
##6591F4	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#669BF8

Deuteranopia (green-blind)

#528EF2

Tritanopia (blue-blind)

#00A7B7

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6591f4;
/* rgb */ color: rgb(101, 145, 244);
/* oklch */ color: oklch(67.1% 0.155 264.5);

Tailwind

colors: {
  custom: {
    50: '#9bb0f8',
    500: '#6591f4',
    950: '#000000',
  },
}

SCSS

$custom: #6591f4;
$custom-light: #9bb0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6591f4",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 244
  },
  "hsl": {
    "h": 221.538,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.67079,
    "c": 0.15484,
    "h": 264.5
  },
  "luminance": 0.29549
}

Semantic roles & 50–950 ramp

primary

#6591F4

secondary

#F1E3C4

accent

#9E02E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6591F4

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

Preview Lab → · Contrast checker → · Palette generator →