#6591FF#6591FF

#6591FF is a light, vivid blue. Relative luminance 0.302; OKLCH L 67.7% C 0.170 H 265.7°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#6591FF
RGB	rgb(101, 145, 255)
HSL	hsl(223, 100%, 70%)
HSV	hsv(223, 60%, 100%)
CMYK	cmyk(60.4%, 43.1%, 0%, 0%)
CIE-LAB	lab(61.86, 17.73, -59.30)
CIE-LCH	lch(61.86, 61.89, 286.64°)
OKLab	oklab(67.73% -0.0128 -0.1691)
OKLCH	oklch(67.73% 0.17 265.7)
XYZ	xyz(33.5360, 30.2346, 98.6569)
Luminance	0.3024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591FF #FFD365

analogous

#65DEFF #6591FF #8665FF

triadic

#6591FF #FF6591 #91FF65

tetradic

#6591FF #FF65DE #FFD365 #65FF86

square

#6591FF #FF65DE #FFD365 #65FF86

split-complementary

#6591FF #FF8665 #DEFF65

monochromatic

#0043EA #2865FF #6591FF #A2BDFF #DFE8FF

Accessibility & contrast

On white

2.98

#6591FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#6591FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6591FF

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591FF	#FFFFFF	#000000	##000000
##6591FF	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E9DFF

Deuteranopia (green-blind)

#478FFD

Tritanopia (blue-blind)

#00AABC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #6591ff;
/* rgb */ color: rgb(101, 145, 255);
/* oklch */ color: oklch(67.7% 0.170 265.7);

Tailwind

colors: {
  custom: {
    50: '#9db0ff',
    500: '#6591ff',
    950: '#000000',
  },
}

SCSS

$custom: #6591ff;
$custom-light: #9db0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6591ff",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 255
  },
  "hsl": {
    "h": 222.857,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.6773,
    "c": 0.16955,
    "h": 265.7
  },
  "luminance": 0.30237
}

Semantic roles & 50–950 ramp

primary

#6591FF

secondary

#F6E9CA

accent

#A400E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #6591FF

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

Preview Lab → · Contrast checker → · Palette generator →