#618BFB#618BFB

#618BFB is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.1% C 0.173 H 266.3°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#618BFB
RGB	rgb(97, 139, 251)
HSL	hsl(224, 95%, 68%)
HSV	hsv(224, 61%, 98%)
CMYK	cmyk(61.4%, 44.6%, 0%, 1.6%)
CIE-LAB	lab(59.86, 19.28, -60.30)
CIE-LCH	lch(59.86, 63.31, 287.73°)
OKLab	oklab(66.07% -0.0111 -0.1722)
OKLCH	oklch(66.07% 0.173 266.3)
XYZ	xyz(31.5690, 27.9689, 94.9830)
Luminance	0.2797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BFB #FBD161

analogous

#61D8FB #618BFB #8461FB

triadic

#618BFB #FB618B #8BFB61

tetradic

#618BFB #FB61D8 #FBD161 #61FB84

square

#618BFB #FB61D8 #FBD161 #61FB84

split-complementary

#618BFB #FB8461 #D8FB61

monochromatic

#0640DC #255FF9 #618BFB #9DB7FD #D8E3FE

Accessibility & contrast

On white

3.18

#618BFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#618BFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BFB

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BFB	#FFFFFF	#000000	##000000
##618BFB	1.00	3.18	6.59	6.59
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5698FF

Deuteranopia (green-blind)

#3D8AF9

Tritanopia (blue-blind)

#00A4B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #618bfb;
/* rgb */ color: rgb(97, 139, 251);
/* oklch */ color: oklch(66.1% 0.173 266.3);

Tailwind

colors: {
  custom: {
    50: '#9bacfd',
    500: '#618bfb',
    950: '#000000',
  },
}

SCSS

$custom: #618bfb;
$custom-light: #9bacfd;
$custom-dark: #000000;

JSON

{
  "hex": "#618bfb",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 251
  },
  "hsl": {
    "h": 223.636,
    "s": 95.062,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66073,
    "c": 0.17254,
    "h": 266.3
  },
  "luminance": 0.27972
}

Semantic roles & 50–950 ramp

primary

#618BFB

secondary

#F3E7C5

accent

#A700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #618BFB

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

Preview Lab → · Contrast checker → · Palette generator →