#6691EF#6691EF

#6691EF is a light, vivid blue. Relative luminance 0.293; OKLCH L 66.8% C 0.148 H 264.2°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#6691EF
RGB	rgb(102, 145, 239)
HSL	hsl(221, 81%, 67%)
HSV	hsv(221, 57%, 94%)
CMYK	cmyk(57.3%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(61.05, 12.73, -51.78)
CIE-LCH	lch(61.05, 53.32, 283.81°)
OKLab	oklab(66.84% -0.0148 -0.147)
OKLCH	oklch(66.84% 0.148 264.2)
XYZ	xyz(31.1796, 29.3050, 85.6580)
Luminance	0.2931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6691EF #EFC466

analogous

#66D6EF #6691EF #8066EF

triadic

#6691EF #EF6691 #91EF66

tetradic

#6691EF #EF66D6 #EFC466 #66EF80

square

#6691EF #EF66D6 #EFC466 #66EF80

split-complementary

#6691EF #EF8066 #D6EF66

monochromatic

#154CC6 #2F69E9 #6691EF #9DB9F5 #D5E1FB

Accessibility & contrast

On white

3.06

#6691EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#6691EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691EF

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6691EF	#FFFFFF	#000000	##000000
##6691EF	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#699AF3

Deuteranopia (green-blind)

#578EED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6691ef;
/* rgb */ color: rgb(102, 145, 239);
/* oklch */ color: oklch(66.8% 0.148 264.2);

Tailwind

colors: {
  custom: {
    50: '#9bb0f5',
    500: '#6691ef',
    950: '#000000',
  },
}

SCSS

$custom: #6691ef;
$custom-light: #9bb0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6691ef",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 221.168,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.66844,
    "c": 0.14777,
    "h": 264.2
  },
  "luminance": 0.29308
}

Semantic roles & 50–950 ramp

primary

#6691EF

secondary

#EEE1C2

accent

#9A08DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6691EF

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

Preview Lab → · Contrast checker → · Palette generator →