#618CF4#618CF4

#618CF4 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.162 H 265.3°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#618CF4
RGB	rgb(97, 140, 244)
HSL	hsl(222, 87%, 67%)
HSV	hsv(222, 60%, 96%)
CMYK	cmyk(60.2%, 42.6%, 0%, 4.3%)
CIE-LAB	lab(59.73, 16.37, -56.66)
CIE-LCH	lch(59.73, 58.98, 286.12°)
OKLab	oklab(65.85% -0.0132 -0.1614)
OKLCH	oklch(65.85% 0.162 265.3)
XYZ	xyz(30.6314, 27.8266, 89.3273)
Luminance	0.2783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CF4 #F4C961

analogous

#61D6F4 #618CF4 #8061F4

triadic

#618CF4 #F4618C #8CF461

tetradic

#618CF4 #F461D6 #F4C961 #61F480

square

#618CF4 #F461D6 #F4C961 #61F480

split-complementary

#618CF4 #F48061 #D6F461

monochromatic

#0E46CC #2862F0 #618CF4 #9AB6F8 #D3DFFC

Accessibility & contrast

On white

3.20

#618CF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#618CF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CF4

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CF4	#FFFFFF	#000000	##000000
##618CF4	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D97F8

Deuteranopia (green-blind)

#478AF2

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #618cf4;
/* rgb */ color: rgb(97, 140, 244);
/* oklch */ color: oklch(65.8% 0.162 265.3);

Tailwind

colors: {
  custom: {
    50: '#9aadf8',
    500: '#618cf4',
    950: '#000000',
  },
}

SCSS

$custom: #618cf4;
$custom-light: #9aadf8;
$custom-dark: #000000;

JSON

{
  "hex": "#618cf4",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 244
  },
  "hsl": {
    "h": 222.449,
    "s": 86.982,
    "l": 66.863
  },
  "oklch": {
    "l": 0.65847,
    "c": 0.16199,
    "h": 265.3
  },
  "luminance": 0.27829
}

Semantic roles & 50–950 ramp

primary

#618CF4

secondary

#F0E2C1

accent

#A202E4

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618CF4

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

Preview Lab → · Contrast checker → · Palette generator →