#619BF0#619BF0

#619BF0 is a light, vivid blue. Relative luminance 0.323; OKLCH L 68.7% C 0.140 H 257.9°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#619BF0
RGB	rgb(97, 155, 240)
HSL	hsl(216, 83%, 66%)
HSV	hsv(216, 60%, 94%)
CMYK	cmyk(59.6%, 35.4%, 0%, 5.9%)
CIE-LAB	lab(63.57, 6.22, -48.36)
CIE-LCH	lch(63.57, 48.76, 277.33°)
OKLab	oklab(68.75% -0.0294 -0.137)
OKLCH	oklch(68.75% 0.14 257.9)
XYZ	xyz(32.3737, 32.2725, 86.9443)
Luminance	0.3227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#619BF0 #F0B661

analogous

#61E3F0 #619BF0 #6E61F0

triadic

#619BF0 #F0619B #9BF061

tetradic

#619BF0 #F061E3 #F0B661 #61F06E

square

#619BF0 #F061E3 #F0B661 #61F06E

split-complementary

#619BF0 #F06E61 #E3F061

monochromatic

#135BC4 #2978EB #619BF0 #99BEF5 #D1E2FB

Accessibility & contrast

On white

2.82

#619BF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#619BF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #619BF0

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##619BF0	#FFFFFF	#000000	##000000
##619BF0	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A1F3

Deuteranopia (green-blind)

#6494EE

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #619bf0;
/* rgb */ color: rgb(97, 155, 240);
/* oklch */ color: oklch(68.7% 0.140 257.9);

Tailwind

colors: {
  custom: {
    50: '#99b8f5',
    500: '#619bf0',
    950: '#000000',
  },
}

SCSS

$custom: #619bf0;
$custom-light: #99b8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#619bf0",
  "rgb": {
    "r": 97,
    "g": 155,
    "b": 240
  },
  "hsl": {
    "h": 215.664,
    "s": 82.659,
    "l": 66.078
  },
  "oklch": {
    "l": 0.68748,
    "c": 0.14013,
    "h": 257.9
  },
  "luminance": 0.32275
}

Semantic roles & 50–950 ramp

primary

#619BF0

secondary

#EEDBBF

accent

#8706DF

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #619BF0

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

Preview Lab → · Contrast checker → · Palette generator →