#6597FB#6597FB

#6597FB is a light, vivid blue. Relative luminance 0.319; OKLCH L 68.7% C 0.157 H 262.9°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#6597FB
RGB	rgb(101, 151, 251)
HSL	hsl(220, 95%, 69%)
HSV	hsv(220, 60%, 98%)
CMYK	cmyk(59.8%, 39.8%, 0%, 1.6%)
CIE-LAB	lab(63.23, 12.88, -54.92)
CIE-LCH	lch(63.23, 56.41, 283.19°)
OKLab	oklab(68.72% -0.0195 -0.1562)
OKLCH	oklch(68.72% 0.157 262.9)
XYZ	xyz(33.8400, 31.8620, 95.6148)
Luminance	0.3186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6597FB #FBC965

analogous

#65E2FB #6597FB #7E65FB

triadic

#6597FB #FB6597 #97FB65

tetradic

#6597FB #FB65E2 #FBC965 #65FB7E

square

#6597FB #FB65E2 #FBC965 #65FB7E

split-complementary

#6597FB #FB7E65 #E2FB65

monochromatic

#064EE0 #296FF9 #6597FB #A1BFFD #DCE8FE

Accessibility & contrast

On white

2.85

#6597FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#6597FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6597FB

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6597FB	#FFFFFF	#000000	##000000
##6597FB	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6BA0FF

Deuteranopia (green-blind)

#5793F9

Tritanopia (blue-blind)

#00ADBD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #6597fb;
/* rgb */ color: rgb(101, 151, 251);
/* oklch */ color: oklch(68.7% 0.157 262.9);

Tailwind

colors: {
  custom: {
    50: '#9cb5fd',
    500: '#6597fb',
    950: '#000000',
  },
}

SCSS

$custom: #6597fb;
$custom-light: #9cb5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6597fb",
  "rgb": {
    "r": 101,
    "g": 151,
    "b": 251
  },
  "hsl": {
    "h": 220,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.68717,
    "c": 0.15738,
    "h": 262.9
  },
  "luminance": 0.31865
}

Semantic roles & 50–950 ramp

primary

#6597FB

secondary

#F4E5C8

accent

#9900E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #6597FB

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

Preview Lab → · Contrast checker → · Palette generator →