#6588FB#6588FB

#6588FB is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.7% C 0.175 H 268.5°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#6588FB
RGB	rgb(101, 136, 251)
HSL	hsl(226, 95%, 69%)
HSV	hsv(226, 60%, 98%)
CMYK	cmyk(59.8%, 45.8%, 0%, 1.6%)
CIE-LAB	lab(59.29, 21.79, -61.21)
CIE-LCH	lch(59.29, 64.98, 289.60°)
OKLab	oklab(65.69% -0.0045 -0.1748)
OKLCH	oklch(65.69% 0.175 268.5)
XYZ	xyz(31.5777, 27.3374, 94.8607)
Luminance	0.2734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6588FB #FBD865

analogous

#65D3FB #6588FB #8D65FB

triadic

#6588FB #FB6588 #88FB65

tetradic

#6588FB #FB65D3 #FBD865 #65FB8D

square

#6588FB #FB65D3 #FBD865 #65FB8D

split-complementary

#6588FB #FB8D65 #D3FB65

monochromatic

#0639E0 #295AF9 #6588FB #A1B6FD #DCE4FE

Accessibility & contrast

On white

3.25

#6588FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#6588FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6588FB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6588FB	#FFFFFF	#000000	##000000
##6588FB	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5196FF

Deuteranopia (green-blind)

#3888F9

Tritanopia (blue-blind)

#00A2B5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6588fb;
/* rgb */ color: rgb(101, 136, 251);
/* oklch */ color: oklch(65.7% 0.175 268.5);

Tailwind

colors: {
  custom: {
    50: '#9daafd',
    500: '#6588fb',
    950: '#000000',
  },
}

SCSS

$custom: #6588fb;
$custom-light: #9daafd;
$custom-dark: #000000;

JSON

{
  "hex": "#6588fb",
  "rgb": {
    "r": 101,
    "g": 136,
    "b": 251
  },
  "hsl": {
    "h": 226,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.65688,
    "c": 0.17487,
    "h": 268.5
  },
  "luminance": 0.2734
}

Semantic roles & 50–950 ramp

primary

#6588FB

secondary

#F4EAC8

accent

#B000E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #6588FB

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

Preview Lab → · Contrast checker → · Palette generator →