#6489DD#6489DD

#6489DD is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.1% C 0.133 H 264.9°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#6489DD
RGB	rgb(100, 137, 221)
HSL	hsl(222, 64%, 63%)
HSV	hsv(222, 55%, 87%)
CMYK	cmyk(54.8%, 38%, 0%, 13.3%)
CIE-LAB	lab(57.86, 11.30, -46.84)
CIE-LCH	lch(57.86, 48.19, 283.57°)
OKLab	oklab(64.05% -0.0118 -0.1327)
OKLCH	oklch(64.05% 0.133 264.9)
XYZ	xyz(27.2479, 25.8190, 71.9403)
Luminance	0.2582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6489DD #DDB864

analogous

#64C5DD #6489DD #7B64DD

triadic

#6489DD #DD6489 #89DD64

tetradic

#6489DD #DD64C5 #DDB864 #64DD7B

square

#6489DD #DD64C5 #DDB864 #64DD7B

split-complementary

#6489DD #DD7B64 #C5DD64

monochromatic

#244BA3 #3263D2 #6489DD #96AFE8 #C8D5F3

Accessibility & contrast

On white

3.41

#6489DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#6489DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6489DD

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6489DD	#FFFFFF	#000000	##000000
##6489DD	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6791E0

Deuteranopia (green-blind)

#5886DB

Tritanopia (blue-blind)

#1C9BA8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #6489dd;
/* rgb */ color: rgb(100, 137, 221);
/* oklch */ color: oklch(64.1% 0.133 264.9);

Tailwind

colors: {
  custom: {
    50: '#98abe8',
    500: '#6489dd',
    950: '#000000',
  },
}

SCSS

$custom: #6489dd;
$custom-light: #98abe8;
$custom-dark: #000000;

JSON

{
  "hex": "#6489dd",
  "rgb": {
    "r": 100,
    "g": 137,
    "b": 221
  },
  "hsl": {
    "h": 221.653,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64053,
    "c": 0.13319,
    "h": 264.9
  },
  "luminance": 0.25821
}

Semantic roles & 50–950 ramp

primary

#6489DD

secondary

#E4D7B9

accent

#951ACC

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6489DD

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

Preview Lab → · Contrast checker → · Palette generator →