#618CEE#618CEE

#618CEE is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.154 H 264.7°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#618CEE
RGB	rgb(97, 140, 238)
HSL	hsl(222, 81%, 66%)
HSV	hsv(222, 59%, 93%)
CMYK	cmyk(59.2%, 41.2%, 0%, 6.7%)
CIE-LAB	lab(59.41, 14.41, -53.86)
CIE-LCH	lch(59.41, 55.76, 284.97°)
OKLab	oklab(65.49% -0.0143 -0.1532)
OKLCH	oklch(65.49% 0.154 264.7)
XYZ	xyz(29.7352, 27.4681, 84.6072)
Luminance	0.2747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CEE #EEC361

analogous

#61D2EE #618CEE #7C61EE

triadic

#618CEE #EE618C #8CEE61

tetradic

#618CEE #EE61D2 #EEC361 #61EE7C

square

#618CEE #EE61D2 #EEC361 #61EE7C

split-complementary

#618CEE #EE7C61 #D2EE61

monochromatic

#1549C0 #2A64E8 #618CEE #98B4F4 #D0DCFA

Accessibility & contrast

On white

3.23

#618CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#618CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CEE

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CEE	#FFFFFF	#000000	##000000
##618CEE	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F2

Deuteranopia (green-blind)

#4D89EC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #618cee;
/* rgb */ color: rgb(97, 140, 238);
/* oklch */ color: oklch(65.5% 0.154 264.7);

Tailwind

colors: {
  custom: {
    50: '#99adf4',
    500: '#618cee',
    950: '#000000',
  },
}

SCSS

$custom: #618cee;
$custom-light: #99adf4;
$custom-dark: #000000;

JSON

{
  "hex": "#618cee",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 238
  },
  "hsl": {
    "h": 221.702,
    "s": 80.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.6549,
    "c": 0.15392,
    "h": 264.7
  },
  "luminance": 0.27471
}

Semantic roles & 50–950 ramp

primary

#618CEE

secondary

#EDDFBE

accent

#9C09DD

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618CEE

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

Preview Lab → · Contrast checker → · Palette generator →