#618EF3#618EF3

#618EF3 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.2% C 0.158 H 264.4°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#618EF3
RGB	rgb(97, 142, 243)
HSL	hsl(222, 86%, 67%)
HSV	hsv(222, 60%, 95%)
CMYK	cmyk(60.1%, 41.6%, 0%, 4.7%)
CIE-LAB	lab(60.21, 14.85, -55.34)
CIE-LCH	lch(60.21, 57.30, 285.02°)
OKLab	oklab(66.2% -0.0154 -0.1576)
OKLCH	oklch(66.2% 0.158 264.4)
XYZ	xyz(30.7749, 28.3558, 88.6281)
Luminance	0.2836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618EF3 #F3C661

analogous

#61D7F3 #618EF3 #7D61F3

triadic

#618EF3 #F3618E #8EF361

tetradic

#618EF3 #F361D7 #F3C661 #61F37D

square

#618EF3 #F361D7 #F3C661 #61F37D

split-complementary

#618EF3 #F37D61 #D7F361

monochromatic

#0F49CA #2865EF #618EF3 #9AB7F7 #D3DFFC

Accessibility & contrast

On white

3.15

#618EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#618EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618EF3

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618EF3	#FFFFFF	#000000	##000000
##618EF3	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6198F7

Deuteranopia (green-blind)

#4C8BF1

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #618ef3;
/* rgb */ color: rgb(97, 142, 243);
/* oklch */ color: oklch(66.2% 0.158 264.4);

Tailwind

colors: {
  custom: {
    50: '#99aef7',
    500: '#618ef3',
    950: '#000000',
  },
}

SCSS

$custom: #618ef3;
$custom-light: #99aef7;
$custom-dark: #000000;

JSON

{
  "hex": "#618ef3",
  "rgb": {
    "r": 97,
    "g": 142,
    "b": 243
  },
  "hsl": {
    "h": 221.507,
    "s": 85.882,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66197,
    "c": 0.15833,
    "h": 264.4
  },
  "luminance": 0.28358
}

Semantic roles & 50–950 ramp

primary

#618EF3

secondary

#EFE1C0

accent

#9E03E2

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618EF3

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

Preview Lab → · Contrast checker → · Palette generator →