#618DF4#618DF4

#618DF4 is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.1% C 0.161 H 264.9°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#618DF4
RGB	rgb(97, 141, 244)
HSL	hsl(222, 87%, 67%)
HSV	hsv(222, 60%, 96%)
CMYK	cmyk(60.2%, 42.2%, 0%, 4.3%)
CIE-LAB	lab(60.00, 15.78, -56.23)
CIE-LCH	lch(60.00, 58.40, 285.67°)
OKLab	oklab(66.05% -0.0142 -0.1602)
OKLCH	oklch(66.05% 0.161 264.9)
XYZ	xyz(30.7782, 28.1201, 89.3762)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618DF4 #F4C861

analogous

#61D6F4 #618DF4 #7F61F4

triadic

#618DF4 #F4618D #8DF461

tetradic

#618DF4 #F461D6 #F4C861 #61F47F

square

#618DF4 #F461D6 #F4C861 #61F47F

split-complementary

#618DF4 #F47F61 #D6F461

monochromatic

#0E47CC #2864F0 #618DF4 #9AB6F8 #D3E0FC

Accessibility & contrast

On white

3.17

#618DF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#618DF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DF4

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618DF4	#FFFFFF	#000000	##000000
##618DF4	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F98F8

Deuteranopia (green-blind)

#498AF2

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #618df4;
/* rgb */ color: rgb(97, 141, 244);
/* oklch */ color: oklch(66.1% 0.161 264.9);

Tailwind

colors: {
  custom: {
    50: '#9aadf8',
    500: '#618df4',
    950: '#000000',
  },
}

SCSS

$custom: #618df4;
$custom-light: #9aadf8;
$custom-dark: #000000;

JSON

{
  "hex": "#618df4",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 244
  },
  "hsl": {
    "h": 222.041,
    "s": 86.982,
    "l": 66.863
  },
  "oklch": {
    "l": 0.66051,
    "c": 0.16083,
    "h": 264.9
  },
  "luminance": 0.28123
}

Semantic roles & 50–950 ramp

primary

#618DF4

secondary

#F0E2C1

accent

#A002E4

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618DF4

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

Preview Lab → · Contrast checker → · Palette generator →