#6391EA#6391EA

#6391EA is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.4% C 0.142 H 262.5°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#6391EA
RGB	rgb(99, 145, 234)
HSL	hsl(220, 76%, 65%)
HSV	hsv(220, 58%, 92%)
CMYK	cmyk(57.7%, 38%, 0%, 8.2%)
CIE-LAB	lab(60.64, 10.52, -49.68)
CIE-LCH	lch(60.64, 50.78, 281.96°)
OKLab	oklab(66.4% -0.0186 -0.1409)
OKLCH	oklch(66.4% 0.142 262.5)
XYZ	xyz(30.1172, 28.8415, 81.8058)
Luminance	0.2884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6391EA #EABC63

analogous

#63D4EA #6391EA #7963EA

triadic

#6391EA #EA6391 #91EA63

tetradic

#6391EA #EA63D4 #EABC63 #63EA79

square

#6391EA #EA63D4 #EABC63 #63EA79

split-complementary

#6391EA #EA7963 #D4EA63

monochromatic

#1950BA #2D6BE3 #6391EA #99B7F1 #CFDDF9

Accessibility & contrast

On white

3.10

#6391EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#6391EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6391EA

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6391EA	#FFFFFF	#000000	##000000
##6391EA	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B99EE

Deuteranopia (green-blind)

#5A8DE8

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6391ea;
/* rgb */ color: rgb(99, 145, 234);
/* oklch */ color: oklch(66.4% 0.142 262.5);

Tailwind

colors: {
  custom: {
    50: '#99b0f1',
    500: '#6391ea',
    950: '#000000',
  },
}

SCSS

$custom: #6391ea;
$custom-light: #99b0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6391ea",
  "rgb": {
    "r": 99,
    "g": 145,
    "b": 234
  },
  "hsl": {
    "h": 219.556,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.66404,
    "c": 0.14213,
    "h": 262.5
  },
  "luminance": 0.28844
}

Semantic roles & 50–950 ramp

primary

#6391EA

secondary

#EBDCBE

accent

#930DD8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #6391EA

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

Preview Lab → · Contrast checker → · Palette generator →