#618CF8#618CF8

#618CF8 is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.1% C 0.167 H 265.7°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#618CF8
RGB	rgb(97, 140, 248)
HSL	hsl(223, 92%, 68%)
HSV	hsv(223, 61%, 97%)
CMYK	cmyk(60.9%, 43.5%, 0%, 2.7%)
CIE-LAB	lab(59.95, 17.69, -58.51)
CIE-LCH	lch(59.95, 61.12, 286.83°)
OKLab	oklab(66.09% -0.0125 -0.1669)
OKLCH	oklch(66.09% 0.167 265.7)
XYZ	xyz(31.2453, 28.0721, 92.5606)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CF8 #F8CD61

analogous

#61D7F8 #618CF8 #8261F8

triadic

#618CF8 #F8618C #8CF861

tetradic

#618CF8 #F861D7 #F8CD61 #61F882

square

#618CF8 #F861D7 #F8CD61 #61F882

split-complementary

#618CF8 #F88261 #D7F861

monochromatic

#0943D5 #2661F5 #618CF8 #9CB7FB #D6E1FD

Accessibility & contrast

On white

3.17

#618CF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#618CF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CF8

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CF8	#FFFFFF	#000000	##000000
##618CF8	1.00	3.17	6.61	6.61
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A98FC

Deuteranopia (green-blind)

#438AF6

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #618cf8;
/* rgb */ color: rgb(97, 140, 248);
/* oklch */ color: oklch(66.1% 0.167 265.7);

Tailwind

colors: {
  custom: {
    50: '#9aadfb',
    500: '#618cf8',
    950: '#000000',
  },
}

SCSS

$custom: #618cf8;
$custom-light: #9aadfb;
$custom-dark: #000000;

JSON

{
  "hex": "#618cf8",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 248
  },
  "hsl": {
    "h": 222.914,
    "s": 91.515,
    "l": 67.647
  },
  "oklch": {
    "l": 0.6609,
    "c": 0.16735,
    "h": 265.7
  },
  "luminance": 0.28075
}

Semantic roles & 50–950 ramp

primary

#618CF8

secondary

#F2E4C3

accent

#A400E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618CF8

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

Preview Lab → · Contrast checker → · Palette generator →