#618BF4#618BF4

#618BF4 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.6% C 0.163 H 265.7°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#618BF4
RGB	rgb(97, 139, 244)
HSL	hsl(223, 87%, 67%)
HSV	hsv(223, 60%, 96%)
CMYK	cmyk(60.2%, 43%, 0%, 4.3%)
CIE-LAB	lab(59.47, 16.97, -57.08)
CIE-LCH	lch(59.47, 59.55, 286.56°)
OKLab	oklab(65.64% -0.0122 -0.1627)
OKLCH	oklch(65.64% 0.163 265.7)
XYZ	xyz(30.4859, 27.5357, 89.2788)
Luminance	0.2754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BF4 #F4CA61

analogous

#61D5F4 #618BF4 #8161F4

triadic

#618BF4 #F4618B #8BF461

tetradic

#618BF4 #F461D5 #F4CA61 #61F481

square

#618BF4 #F461D5 #F4CA61 #61F481

split-complementary

#618BF4 #F48161 #D5F461

monochromatic

#0E45CC #2861F0 #618BF4 #9AB5F8 #D3DFFC

Accessibility & contrast

On white

3.23

#618BF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#618BF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BF4

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BF4	#FFFFFF	#000000	##000000
##618BF4	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B96F8

Deuteranopia (green-blind)

#4589F2

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #618bf4;
/* rgb */ color: rgb(97, 139, 244);
/* oklch */ color: oklch(65.6% 0.163 265.7);

Tailwind

colors: {
  custom: {
    50: '#9aacf8',
    500: '#618bf4',
    950: '#000000',
  },
}

SCSS

$custom: #618bf4;
$custom-light: #9aacf8;
$custom-dark: #000000;

JSON

{
  "hex": "#618bf4",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 244
  },
  "hsl": {
    "h": 222.857,
    "s": 86.982,
    "l": 66.863
  },
  "oklch": {
    "l": 0.65644,
    "c": 0.16317,
    "h": 265.7
  },
  "luminance": 0.27538
}

Semantic roles & 50–950 ramp

primary

#618BF4

secondary

#F0E2C1

accent

#A302E4

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618BF4

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

Preview Lab → · Contrast checker → · Palette generator →