#6691EB#6691EB

#6691EB is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.6% C 0.142 H 263.7°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#6691EB
RGB	rgb(102, 145, 235)
HSL	hsl(221, 77%, 66%)
HSV	hsv(221, 57%, 92%)
CMYK	cmyk(56.6%, 38.3%, 0%, 7.8%)
CIE-LAB	lab(60.84, 11.44, -49.90)
CIE-LCH	lch(60.84, 51.20, 282.92°)
OKLab	oklab(66.62% -0.0157 -0.1415)
OKLCH	oklch(66.62% 0.142 263.7)
XYZ	xyz(30.5952, 29.0713, 82.5802)
Luminance	0.2907 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6691EB #EBC066

analogous

#66D3EB #6691EB #7D66EB

triadic

#6691EB #EB6691 #91EB66

tetradic

#6691EB #EB66D3 #EBC066 #66EB7D

square

#6691EB #EB66D3 #EBC066 #66EB7D

split-complementary

#6691EB #EB7D66 #D3EB66

monochromatic

#194EBE #306AE4 #6691EB #9CB8F2 #D2DFF9

Accessibility & contrast

On white

3.08

#6691EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#6691EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691EB

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6691EB	#FFFFFF	#000000	##000000
##6691EB	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B99EF

Deuteranopia (green-blind)

#5A8DE9

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6691eb;
/* rgb */ color: rgb(102, 145, 235);
/* oklch */ color: oklch(66.6% 0.142 263.7);

Tailwind

colors: {
  custom: {
    50: '#9bb0f2',
    500: '#6691eb',
    950: '#000000',
  },
}

SCSS

$custom: #6691eb;
$custom-light: #9bb0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6691eb",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 235
  },
  "hsl": {
    "h": 220.602,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.66618,
    "c": 0.14238,
    "h": 263.7
  },
  "luminance": 0.29074
}

Semantic roles & 50–950 ramp

primary

#6691EB

secondary

#ECDEC1

accent

#970CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6691EB

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

Preview Lab → · Contrast checker → · Palette generator →