#618EF0#618EF0

#618EF0 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.0% C 0.154 H 264.1°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#618EF0
RGB	rgb(97, 142, 240)
HSL	hsl(221, 83%, 66%)
HSV	hsv(221, 60%, 94%)
CMYK	cmyk(59.6%, 40.8%, 0%, 5.9%)
CIE-LAB	lab(60.05, 13.87, -53.95)
CIE-LCH	lch(60.05, 55.70, 284.42°)
OKLab	oklab(66.02% -0.016 -0.1535)
OKLCH	oklch(66.02% 0.154 264.1)
XYZ	xyz(30.3255, 28.1761, 86.2616)
Luminance	0.2818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618EF0 #F0C361

analogous

#61D5F0 #618EF0 #7B61F0

triadic

#618EF0 #F0618E #8EF061

tetradic

#618EF0 #F061D5 #F0C361 #61F07B

square

#618EF0 #F061D5 #F0C361 #61F07B

split-complementary

#618EF0 #F07B61 #D5F061

monochromatic

#134AC4 #2966EB #618EF0 #99B6F5 #D1DEFB

Accessibility & contrast

On white

3.16

#618EF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#618EF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618EF0

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618EF0	#FFFFFF	#000000	##000000
##618EF0	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)

#6398F4

Deuteranopia (green-blind)

#4F8BEE

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #618ef0;
/* rgb */ color: rgb(97, 142, 240);
/* oklch */ color: oklch(66.0% 0.154 264.1);

Tailwind

colors: {
  custom: {
    50: '#99aef5',
    500: '#618ef0',
    950: '#000000',
  },
}

SCSS

$custom: #618ef0;
$custom-light: #99aef5;
$custom-dark: #000000;

JSON

{
  "hex": "#618ef0",
  "rgb": {
    "r": 97,
    "g": 142,
    "b": 240
  },
  "hsl": {
    "h": 221.119,
    "s": 82.659,
    "l": 66.078
  },
  "oklch": {
    "l": 0.6602,
    "c": 0.15431,
    "h": 264.1
  },
  "luminance": 0.28179
}

Semantic roles & 50–950 ramp

primary

#618EF0

secondary

#EEDFBF

accent

#9B06DF

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618EF0

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

Preview Lab → · Contrast checker → · Palette generator →