#618BF0#618BF0

#618BF0 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.4% C 0.158 H 265.3°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#618BF0
RGB	rgb(97, 139, 240)
HSL	hsl(222, 83%, 66%)
HSV	hsv(222, 60%, 94%)
CMYK	cmyk(59.6%, 42.1%, 0%, 5.9%)
CIE-LAB	lab(59.25, 15.66, -55.22)
CIE-LCH	lch(59.25, 57.40, 285.83°)
OKLab	oklab(65.4% -0.0129 -0.1572)
OKLCH	oklch(65.4% 0.158 265.3)
XYZ	xyz(29.8852, 27.2954, 86.1148)
Luminance	0.2730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BF0 #F0C661

analogous

#61D2F0 #618BF0 #7E61F0

triadic

#618BF0 #F0618B #8BF061

tetradic

#618BF0 #F061D2 #F0C661 #61F07E

square

#618BF0 #F061D2 #F0C661 #61F07E

split-complementary

#618BF0 #F07E61 #D2F061

monochromatic

#1347C4 #2962EB #618BF0 #99B4F5 #D1DDFB

Accessibility & contrast

On white

3.25

#618BF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#618BF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BF0

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BF0	#FFFFFF	#000000	##000000
##618BF0	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E96F4

Deuteranopia (green-blind)

#4989EE

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #618bf0;
/* rgb */ color: rgb(97, 139, 240);
/* oklch */ color: oklch(65.4% 0.158 265.3);

Tailwind

colors: {
  custom: {
    50: '#99acf5',
    500: '#618bf0',
    950: '#000000',
  },
}

SCSS

$custom: #618bf0;
$custom-light: #99acf5;
$custom-dark: #000000;

JSON

{
  "hex": "#618bf0",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 240
  },
  "hsl": {
    "h": 222.378,
    "s": 82.659,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65403,
    "c": 0.15778,
    "h": 265.3
  },
  "luminance": 0.27298
}

Semantic roles & 50–950 ramp

primary

#618BF0

secondary

#EEE0BF

accent

#9F06DF

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618BF0

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

Preview Lab → · Contrast checker → · Palette generator →