#6491DB#6491DB

#6491DB is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.6% C 0.122 H 259.9°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#6491DB
RGB	rgb(100, 145, 219)
HSL	hsl(217, 62%, 63%)
HSV	hsv(217, 54%, 86%)
CMYK	cmyk(54.3%, 33.8%, 0%, 14.1%)
CIE-LAB	lab(59.95, 5.95, -42.43)
CIE-LCH	lch(59.95, 42.84, 277.98°)
OKLab	oklab(65.64% -0.0212 -0.1197)
OKLCH	oklch(65.64% 0.122 259.9)
XYZ	xyz(28.1627, 28.0724, 70.9385)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491DB #DBAE64

analogous

#64CDDB #6491DB #7264DB

triadic

#6491DB #DB6491 #91DB64

tetradic

#6491DB #DB64CD #DBAE64 #64DB72

square

#6491DB #DB64CD #DBAE64 #64DB72

split-complementary

#6491DB #DB7264 #CDDB64

monochromatic

#2553A0 #326ECF #6491DB #96B4E7 #C7D7F2

Accessibility & contrast

On white

3.17

#6491DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#6491DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491DB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491DB	#FFFFFF	#000000	##000000
##6491DB	1.00	3.17	6.61	6.61
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7397DE

Deuteranopia (green-blind)

#658BD9

Tritanopia (blue-blind)

#1CA1AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #6491db;
/* rgb */ color: rgb(100, 145, 219);
/* oklch */ color: oklch(65.6% 0.122 259.9);

Tailwind

colors: {
  custom: {
    50: '#98b0e6',
    500: '#6491db',
    950: '#000000',
  },
}

SCSS

$custom: #6491db;
$custom-light: #98b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#6491db",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 217.311,
    "s": 62.304,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65642,
    "c": 0.1216,
    "h": 259.9
  },
  "luminance": 0.28075
}

Semantic roles & 50–950 ramp

primary

#6491DB

secondary

#E3D3B8

accent

#881BCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6491DB

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

Preview Lab → · Contrast checker → · Palette generator →