#618BF3#618BF3

#618BF3 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.6% C 0.162 H 265.6°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#618BF3
RGB	rgb(97, 139, 243)
HSL	hsl(223, 86%, 67%)
HSV	hsv(223, 60%, 95%)
CMYK	cmyk(60.1%, 42.8%, 0%, 4.7%)
CIE-LAB	lab(59.41, 16.64, -56.62)
CIE-LCH	lch(59.41, 59.01, 286.38°)
OKLab	oklab(65.58% -0.0124 -0.1613)
OKLCH	oklch(65.58% 0.162 265.6)
XYZ	xyz(30.3345, 27.4751, 88.4813)
Luminance	0.2748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BF3 #F3C961

analogous

#61D4F3 #618BF3 #8061F3

triadic

#618BF3 #F3618B #8BF361

tetradic

#618BF3 #F361D4 #F3C961 #61F380

square

#618BF3 #F361D4 #F3C961 #61F380

split-complementary

#618BF3 #F38061 #D4F361

monochromatic

#0F45CA #2861EF #618BF3 #9AB5F7 #D3DFFC

Accessibility & contrast

On white

3.23

#618BF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#618BF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BF3

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BF3	#FFFFFF	#000000	##000000
##618BF3	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C96F7

Deuteranopia (green-blind)

#4689F1

Tritanopia (blue-blind)

#00A2B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #618bf3;
/* rgb */ color: rgb(97, 139, 243);
/* oklch */ color: oklch(65.6% 0.162 265.6);

Tailwind

colors: {
  custom: {
    50: '#99acf7',
    500: '#618bf3',
    950: '#000000',
  },
}

SCSS

$custom: #618bf3;
$custom-light: #99acf7;
$custom-dark: #000000;

JSON

{
  "hex": "#618bf3",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 243
  },
  "hsl": {
    "h": 222.74,
    "s": 85.882,
    "l": 66.667
  },
  "oklch": {
    "l": 0.65583,
    "c": 0.16182,
    "h": 265.6
  },
  "luminance": 0.27478
}

Semantic roles & 50–950 ramp

primary

#618BF3

secondary

#EFE2C0

accent

#A203E2

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618BF3

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

Preview Lab → · Contrast checker → · Palette generator →