#618CFB#618CFB

#618CFB is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.3% C 0.171 H 266.0°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#618CFB
RGB	rgb(97, 140, 251)
HSL	hsl(223, 95%, 68%)
HSV	hsv(223, 61%, 98%)
CMYK	cmyk(61.4%, 44.2%, 0%, 1.6%)
CIE-LAB	lab(60.12, 18.68, -59.89)
CIE-LCH	lch(60.12, 62.73, 287.33°)
OKLab	oklab(66.27% -0.0121 -0.1709)
OKLCH	oklch(66.27% 0.171 266)
XYZ	xyz(31.7145, 28.2598, 95.0315)
Luminance	0.2826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CFB #FBD061

analogous

#61D9FB #618CFB #8361FB

triadic

#618CFB #FB618C #8CFB61

tetradic

#618CFB #FB61D9 #FBD061 #61FB83

square

#618CFB #FB61D9 #FBD061 #61FB83

split-complementary

#618CFB #FB8361 #D9FB61

monochromatic

#0641DC #2561F9 #618CFB #9DB7FD #D8E3FE

Accessibility & contrast

On white

3.16

#618CFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#618CFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CFB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CFB	#FFFFFF	#000000	##000000
##618CFB	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5898FF

Deuteranopia (green-blind)

#3F8AF9

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #618cfb;
/* rgb */ color: rgb(97, 140, 251);
/* oklch */ color: oklch(66.3% 0.171 266.0);

Tailwind

colors: {
  custom: {
    50: '#9badfd',
    500: '#618cfb',
    950: '#000000',
  },
}

SCSS

$custom: #618cfb;
$custom-light: #9badfd;
$custom-dark: #000000;

JSON

{
  "hex": "#618cfb",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 251
  },
  "hsl": {
    "h": 223.247,
    "s": 95.062,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66274,
    "c": 0.17137,
    "h": 266
  },
  "luminance": 0.28263
}

Semantic roles & 50–950 ramp

primary

#618CFB

secondary

#F3E6C5

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #618CFB

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

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