#618CF0#618CF0

#618CF0 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.6% C 0.157 H 264.9°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#618CF0
RGB	rgb(97, 140, 240)
HSL	hsl(222, 83%, 66%)
HSV	hsv(222, 60%, 94%)
CMYK	cmyk(59.6%, 41.7%, 0%, 5.9%)
CIE-LAB	lab(59.51, 15.06, -54.80)
CIE-LCH	lch(59.51, 56.83, 285.37°)
OKLab	oklab(65.61% -0.0139 -0.156)
OKLCH	oklch(65.61% 0.157 264.9)
XYZ	xyz(30.0306, 27.5863, 86.1633)
Luminance	0.2759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CF0 #F0C561

analogous

#61D3F0 #618CF0 #7D61F0

triadic

#618CF0 #F0618C #8CF061

tetradic

#618CF0 #F061D3 #F0C561 #61F07D

square

#618CF0 #F061D3 #F0C561 #61F07D

split-complementary

#618CF0 #F07D61 #D3F061

monochromatic

#1348C4 #2963EB #618CF0 #99B5F5 #D1DDFB

Accessibility & contrast

On white

3.22

#618CF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#618CF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CF0

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CF0	#FFFFFF	#000000	##000000
##618CF0	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6096F4

Deuteranopia (green-blind)

#4B89EE

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #618cf0;
/* rgb */ color: rgb(97, 140, 240);
/* oklch */ color: oklch(65.6% 0.157 264.9);

Tailwind

colors: {
  custom: {
    50: '#99adf5',
    500: '#618cf0',
    950: '#000000',
  },
}

SCSS

$custom: #618cf0;
$custom-light: #99adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#618cf0",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 240
  },
  "hsl": {
    "h": 221.958,
    "s": 82.659,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65608,
    "c": 0.15661,
    "h": 264.9
  },
  "luminance": 0.27589
}

Semantic roles & 50–950 ramp

primary

#618CF0

secondary

#EEE0BF

accent

#9E06DF

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618CF0

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

Preview Lab → · Contrast checker → · Palette generator →