#618FF3#618FF3

#618FF3 is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.4% C 0.157 H 264.0°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#618FF3
RGB	rgb(97, 143, 243)
HSL	hsl(221, 86%, 67%)
HSV	hsv(221, 60%, 95%)
CMYK	cmyk(60.1%, 41.2%, 0%, 4.7%)
CIE-LAB	lab(60.48, 14.26, -54.92)
CIE-LCH	lch(60.48, 56.74, 284.55°)
OKLab	oklab(66.4% -0.0164 -0.1563)
OKLCH	oklch(66.4% 0.157 264)
XYZ	xyz(30.9243, 28.6547, 88.6779)
Luminance	0.2866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618FF3 #F3C561

analogous

#61D8F3 #618FF3 #7C61F3

triadic

#618FF3 #F3618F #8FF361

tetradic

#618FF3 #F361D8 #F3C561 #61F37C

square

#618FF3 #F361D8 #F3C561 #61F37C

split-complementary

#618FF3 #F37C61 #D8F361

monochromatic

#0F4ACA #2867EF #618FF3 #9AB7F7 #D3E0FC

Accessibility & contrast

On white

3.12

#618FF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#618FF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618FF3

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618FF3	#FFFFFF	#000000	##000000
##618FF3	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6399F7

Deuteranopia (green-blind)

#4E8CF1

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #618ff3;
/* rgb */ color: rgb(97, 143, 243);
/* oklch */ color: oklch(66.4% 0.157 264.0);

Tailwind

colors: {
  custom: {
    50: '#99aff7',
    500: '#618ff3',
    950: '#000000',
  },
}

SCSS

$custom: #618ff3;
$custom-light: #99aff7;
$custom-dark: #000000;

JSON

{
  "hex": "#618ff3",
  "rgb": {
    "r": 97,
    "g": 143,
    "b": 243
  },
  "hsl": {
    "h": 221.096,
    "s": 85.882,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66402,
    "c": 0.15718,
    "h": 264
  },
  "luminance": 0.28657
}

Semantic roles & 50–950 ramp

primary

#618FF3

secondary

#EFE1C0

accent

#9C03E2

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618FF3

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

Preview Lab → · Contrast checker → · Palette generator →