#6191EF#6191EF

#6191EF is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.6% C 0.150 H 262.6°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#6191EF
RGB	rgb(97, 145, 239)
HSL	hsl(220, 82%, 66%)
HSV	hsv(220, 59%, 94%)
CMYK	cmyk(59.4%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.80, 11.76, -52.20)
CIE-LCH	lch(60.80, 53.50, 282.70°)
OKLab	oklab(66.58% -0.0193 -0.1483)
OKLCH	oklch(66.58% 0.15 262.6)
XYZ	xyz(30.6298, 29.0215, 85.6322)
Luminance	0.2902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6191EF #EFBF61

analogous

#61D8EF #6191EF #7861EF

triadic

#6191EF #EF6191 #91EF61

tetradic

#6191EF #EF61D8 #EFBF61 #61EF78

square

#6191EF #EF61D8 #EFBF61 #61EF78

split-complementary

#6191EF #EF7861 #D8EF61

monochromatic

#144FC2 #296AE9 #6191EF #99B8F5 #D0DEFA

Accessibility & contrast

On white

3.09

#6191EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#6191EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6191EF

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6191EF	#FFFFFF	#000000	##000000
##6191EF	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#689AF3

Deuteranopia (green-blind)

#558DED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6191ef;
/* rgb */ color: rgb(97, 145, 239);
/* oklch */ color: oklch(66.6% 0.150 262.6);

Tailwind

colors: {
  custom: {
    50: '#99b0f5',
    500: '#6191ef',
    950: '#000000',
  },
}

SCSS

$custom: #6191ef;
$custom-light: #99b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6191ef",
  "rgb": {
    "r": 97,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 219.718,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.66584,
    "c": 0.14956,
    "h": 262.6
  },
  "luminance": 0.29024
}

Semantic roles & 50–950 ramp

primary

#6191EF

secondary

#EDDEBE

accent

#9508DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6191EF

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

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