#618FE4#618FE4

#618FE4 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.5% C 0.137 H 261.8°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#618FE4
RGB	rgb(97, 143, 228)
HSL	hsl(219, 71%, 64%)
HSV	hsv(219, 57%, 89%)
CMYK	cmyk(57.5%, 37.3%, 0%, 10.6%)
CIE-LAB	lab(59.69, 9.37, -47.86)
CIE-LCH	lch(59.69, 48.77, 281.08°)
OKLab	oklab(65.54% -0.0195 -0.1356)
OKLCH	oklch(65.54% 0.137 261.8)
XYZ	xyz(28.7510, 27.7854, 77.2318)
Luminance	0.2779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618FE4 #E4B661

analogous

#61D1E4 #618FE4 #7461E4

triadic

#618FE4 #E4618F #8FE461

tetradic

#618FE4 #E461D1 #E4B661 #61E474

square

#618FE4 #E461D1 #E4B661 #61E474

split-complementary

#618FE4 #E47461 #D1E461

monochromatic

#1E50AD #2D6ADB #618FE4 #95B4ED #CAD9F6

Accessibility & contrast

On white

3.20

#618FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#618FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618FE4

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618FE4	#FFFFFF	#000000	##000000
##618FE4	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E7

Deuteranopia (green-blind)

#5B8AE2

Tritanopia (blue-blind)

#00A2AF

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #618fe4;
/* rgb */ color: rgb(97, 143, 228);
/* oklch */ color: oklch(65.5% 0.137 261.8);

Tailwind

colors: {
  custom: {
    50: '#97afed',
    500: '#618fe4',
    950: '#000000',
  },
}

SCSS

$custom: #618fe4;
$custom-light: #97afed;
$custom-dark: #000000;

JSON

{
  "hex": "#618fe4",
  "rgb": {
    "r": 97,
    "g": 143,
    "b": 228
  },
  "hsl": {
    "h": 218.931,
    "s": 70.811,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65544,
    "c": 0.13704,
    "h": 261.8
  },
  "luminance": 0.27788
}

Semantic roles & 50–950 ramp

primary

#618FE4

secondary

#E7D7B9

accent

#8F13D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #618FE4

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

Preview Lab → · Contrast checker → · Palette generator →