#6599E7#6599E7

#6599E7 is a light, vivid blue. Relative luminance 0.313; OKLCH L 68.0% C 0.129 H 258.3°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#6599E7
RGB	rgb(101, 153, 231)
HSL	hsl(216, 73%, 65%)
HSV	hsv(216, 56%, 91%)
CMYK	cmyk(56.3%, 33.8%, 0%, 9.4%)
CIE-LAB	lab(62.77, 5.29, -44.64)
CIE-LCH	lch(62.77, 44.96, 276.75°)
OKLab	oklab(68.04% -0.0262 -0.1261)
OKLCH	oklch(68.04% 0.129 258.3)
XYZ	xyz(31.1768, 31.3161, 79.9875)
Luminance	0.3132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6599E7 #E7B365

analogous

#65DAE7 #6599E7 #7265E7

triadic

#6599E7 #E76599 #99E765

tetradic

#6599E7 #E765DA #E7B365 #65E772

square

#6599E7 #E765DA #E7B365 #65E772

split-complementary

#6599E7 #E77265 #DAE765

monochromatic

#1C59B5 #3076DF #6599E7 #9ABCEF #CFDFF8

Accessibility & contrast

On white

2.89

#6599E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#6599E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6599E7

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6599E7	#FFFFFF	#000000	##000000
##6599E7	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#799FEA

Deuteranopia (green-blind)

#6892E5

Tritanopia (blue-blind)

#00AAB5

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #6599e7;
/* rgb */ color: rgb(101, 153, 231);
/* oklch */ color: oklch(68.0% 0.129 258.3);

Tailwind

colors: {
  custom: {
    50: '#9ab6ef',
    500: '#6599e7',
    950: '#000000',
  },
}

SCSS

$custom: #6599e7;
$custom-light: #9ab6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6599e7",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 231
  },
  "hsl": {
    "h": 216,
    "s": 73.034,
    "l": 65.098
  },
  "oklch": {
    "l": 0.68039,
    "c": 0.1288,
    "h": 258.3
  },
  "luminance": 0.31319
}

Semantic roles & 50–950 ramp

primary

#6599E7

secondary

#EAD8BE

accent

#8610D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #6599E7

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

Preview Lab → · Contrast checker → · Palette generator →