#618BF1#618BF1

#618BF1 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.5% C 0.159 H 265.4°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#618BF1
RGB	rgb(97, 139, 241)
HSL	hsl(223, 84%, 66%)
HSV	hsv(223, 60%, 95%)
CMYK	cmyk(59.8%, 42.3%, 0%, 5.5%)
CIE-LAB	lab(59.30, 15.99, -55.69)
CIE-LCH	lch(59.30, 57.94, 286.02°)
OKLab	oklab(65.46% -0.0127 -0.1586)
OKLCH	oklch(65.46% 0.159 265.4)
XYZ	xyz(30.0341, 27.3549, 86.8993)
Luminance	0.2736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BF1 #F1C761

analogous

#61D3F1 #618BF1 #7F61F1

triadic

#618BF1 #F1618B #8BF161

tetradic

#618BF1 #F161D3 #F1C761 #61F17F

square

#618BF1 #F161D3 #F1C761 #61F17F

split-complementary

#618BF1 #F17F61 #D3F161

monochromatic

#1246C6 #2962EC #618BF1 #99B4F6 #D1DEFB

Accessibility & contrast

On white

3.25

#618BF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#618BF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BF1

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BF1	#FFFFFF	#000000	##000000
##618BF1	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D96F5

Deuteranopia (green-blind)

#4889EF

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #618bf1;
/* rgb */ color: rgb(97, 139, 241);
/* oklch */ color: oklch(65.5% 0.159 265.4);

Tailwind

colors: {
  custom: {
    50: '#99acf6',
    500: '#618bf1',
    950: '#000000',
  },
}

SCSS

$custom: #618bf1;
$custom-light: #99acf6;
$custom-dark: #000000;

JSON

{
  "hex": "#618bf1",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 241
  },
  "hsl": {
    "h": 222.5,
    "s": 83.721,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65463,
    "c": 0.15913,
    "h": 265.4
  },
  "luminance": 0.27357
}

Semantic roles & 50–950 ramp

primary

#618BF1

secondary

#EEE1BF

accent

#A005E0

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618BF1

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

Preview Lab → · Contrast checker → · Palette generator →