#618DF0#618DF0

#618DF0 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.155 H 264.5°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#618DF0
RGB	rgb(97, 141, 240)
HSL	hsl(222, 83%, 66%)
HSV	hsv(222, 60%, 94%)
CMYK	cmyk(59.6%, 41.3%, 0%, 5.9%)
CIE-LAB	lab(59.78, 14.46, -54.37)
CIE-LCH	lch(59.78, 56.26, 284.90°)
OKLab	oklab(65.81% -0.015 -0.1547)
OKLCH	oklch(65.81% 0.155 264.5)
XYZ	xyz(30.1774, 27.8798, 86.2122)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618DF0 #F0C461

analogous

#61D5F0 #618DF0 #7C61F0

triadic

#618DF0 #F0618D #8DF061

tetradic

#618DF0 #F061D5 #F0C461 #61F07C

square

#618DF0 #F061D5 #F0C461 #61F07C

split-complementary

#618DF0 #F07C61 #D5F061

monochromatic

#1349C4 #2965EB #618DF0 #99B5F5 #D1DEFB

Accessibility & contrast

On white

3.19

#618DF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#618DF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DF0

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618DF0	#FFFFFF	#000000	##000000
##618DF0	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6197F4

Deuteranopia (green-blind)

#4D8AEE

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #618df0;
/* rgb */ color: rgb(97, 141, 240);
/* oklch */ color: oklch(65.8% 0.155 264.5);

Tailwind

colors: {
  custom: {
    50: '#99adf5',
    500: '#618df0',
    950: '#000000',
  },
}

SCSS

$custom: #618df0;
$custom-light: #99adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#618df0",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 240
  },
  "hsl": {
    "h": 221.538,
    "s": 82.659,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65814,
    "c": 0.15546,
    "h": 264.5
  },
  "luminance": 0.27882
}

Semantic roles & 50–950 ramp

primary

#618DF0

secondary

#EEDFBF

accent

#9C06DF

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618DF0

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

Preview Lab → · Contrast checker → · Palette generator →