#618EEF#618EEF

#618EEF is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.0% C 0.153 H 263.9°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#618EEF
RGB	rgb(97, 142, 239)
HSL	hsl(221, 82%, 66%)
HSV	hsv(221, 59%, 94%)
CMYK	cmyk(59.4%, 40.6%, 0%, 6.3%)
CIE-LAB	lab(59.99, 13.54, -53.48)
CIE-LCH	lch(59.99, 55.17, 284.21°)
OKLab	oklab(65.96% -0.0162 -0.1521)
OKLCH	oklch(65.96% 0.153 263.9)
XYZ	xyz(30.1774, 28.1168, 85.4814)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618EEF #EFC261

analogous

#61D5EF #618EEF #7B61EF

triadic

#618EEF #EF618E #8EEF61

tetradic

#618EEF #EF61D5 #EFC261 #61EF7B

square

#618EEF #EF61D5 #EFC261 #61EF7B

split-complementary

#618EEF #EF7B61 #D5EF61

monochromatic

#144BC2 #2966E9 #618EEF #99B6F5 #D0DDFA

Accessibility & contrast

On white

3.17

#618EEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#618EEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618EEF

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618EEF	#FFFFFF	#000000	##000000
##618EEF	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)

#6398F3

Deuteranopia (green-blind)

#508BED

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #618eef;
/* rgb */ color: rgb(97, 142, 239);
/* oklch */ color: oklch(66.0% 0.153 263.9);

Tailwind

colors: {
  custom: {
    50: '#99aef5',
    500: '#618eef',
    950: '#000000',
  },
}

SCSS

$custom: #618eef;
$custom-light: #99aef5;
$custom-dark: #000000;

JSON

{
  "hex": "#618eef",
  "rgb": {
    "r": 97,
    "g": 142,
    "b": 239
  },
  "hsl": {
    "h": 220.986,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65961,
    "c": 0.15296,
    "h": 263.9
  },
  "luminance": 0.28119
}

Semantic roles & 50–950 ramp

primary

#618EEF

secondary

#EDDEBE

accent

#9A08DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618EEF

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

Preview Lab → · Contrast checker → · Palette generator →