#6691DB#6691DB

#6691DB is a light, vivid blue. Relative luminance 0.282; OKLCH L 65.8% C 0.121 H 260.7°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#6691DB
RGB	rgb(102, 145, 219)
HSL	hsl(218, 62%, 63%)
HSV	hsv(218, 53%, 86%)
CMYK	cmyk(53.4%, 33.8%, 0%, 14.1%)
CIE-LAB	lab(60.06, 6.38, -42.26)
CIE-LCH	lch(60.06, 42.73, 278.59°)
OKLab	oklab(65.75% -0.0194 -0.1192)
OKLCH	oklch(65.75% 0.121 260.7)
XYZ	xyz(28.3867, 28.1879, 70.9490)
Luminance	0.2819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6691DB #DBB066

analogous

#66CBDB #6691DB #7566DB

triadic

#6691DB #DB6691 #91DB66

tetradic

#6691DB #DB66CB #DBB066 #66DB75

square

#6691DB #DB66CB #DBB066 #66DB75

split-complementary

#6691DB #DB7566 #CBDB66

monochromatic

#2653A1 #346DCF #6691DB #98B5E7 #C9D8F2

Accessibility & contrast

On white

3.16

#6691DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#6691DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691DB

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6691DB	#FFFFFF	#000000	##000000
##6691DB	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7497DE

Deuteranopia (green-blind)

#658CD9

Tritanopia (blue-blind)

#25A1AC

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #6691db;
/* rgb */ color: rgb(102, 145, 219);
/* oklch */ color: oklch(65.8% 0.121 260.7);

Tailwind

colors: {
  custom: {
    50: '#99b0e6',
    500: '#6691db',
    950: '#000000',
  },
}

SCSS

$custom: #6691db;
$custom-light: #99b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#6691db",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 217.949,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65751,
    "c": 0.12077,
    "h": 260.7
  },
  "luminance": 0.2819
}

Semantic roles & 50–950 ramp

primary

#6691DB

secondary

#E3D4B9

accent

#8A1CCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6691DB

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

Preview Lab → · Contrast checker → · Palette generator →