#6587DD#6587DD

#6587DD is a light, vivid blue. Relative luminance 0.253; OKLCH L 63.7% C 0.135 H 266.3°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#6587DD
RGB	rgb(101, 135, 221)
HSL	hsl(223, 64%, 63%)
HSV	hsv(223, 54%, 87%)
CMYK	cmyk(54.3%, 38.9%, 0%, 13.3%)
CIE-LAB	lab(57.38, 12.71, -47.61)
CIE-LCH	lch(57.38, 49.27, 284.95°)
OKLab	oklab(63.69% -0.0086 -0.1349)
OKLCH	oklch(63.69% 0.135 266.3)
XYZ	xyz(27.0776, 25.3131, 71.8516)
Luminance	0.2531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6587DD #DDBB65

analogous

#65C3DD #6587DD #7F65DD

triadic

#6587DD #DD6587 #87DD65

tetradic

#6587DD #DD65C3 #DDBB65 #65DD7F

square

#6587DD #DD65C3 #DDBB65 #65DD7F

split-complementary

#6587DD #DD7F65 #C3DD65

monochromatic

#2448A4 #3360D2 #6587DD #97AEE8 #C9D5F3

Accessibility & contrast

On white

3.46

#6587DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#6587DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6587DD

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6587DD	#FFFFFF	#000000	##000000
##6587DD	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6490E0

Deuteranopia (green-blind)

#5585DB

Tritanopia (blue-blind)

#219AA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6587dd;
/* rgb */ color: rgb(101, 135, 221);
/* oklch */ color: oklch(63.7% 0.135 266.3);

Tailwind

colors: {
  custom: {
    50: '#99a9e8',
    500: '#6587dd',
    950: '#000000',
  },
}

SCSS

$custom: #6587dd;
$custom-light: #99a9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6587dd",
  "rgb": {
    "r": 101,
    "g": 135,
    "b": 221
  },
  "hsl": {
    "h": 223,
    "s": 63.83,
    "l": 63.137
  },
  "oklch": {
    "l": 0.63693,
    "c": 0.13518,
    "h": 266.3
  },
  "luminance": 0.25315
}

Semantic roles & 50–950 ramp

primary

#6587DD

secondary

#E4D8B9

accent

#991ACC

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #6587DD

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

Preview Lab → · Contrast checker → · Palette generator →