#659CFF#659CFF

#659CFF is a light, vivid blue. Relative luminance 0.338; OKLCH L 70.0% C 0.157 H 261.3°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#659CFF
RGB	rgb(101, 156, 255)
HSL	hsl(219, 100%, 70%)
HSV	hsv(219, 60%, 100%)
CMYK	cmyk(60.4%, 38.8%, 0%, 0%)
CIE-LAB	lab(64.77, 11.24, -54.65)
CIE-LCH	lch(64.77, 55.80, 281.63°)
OKLab	oklab(69.98% -0.0238 -0.1553)
OKLCH	oklch(69.98% 0.157 261.3)
XYZ	xyz(35.2990, 33.7605, 99.2446)
Luminance	0.3376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CFF #FFC865

analogous

#65E9FF #659CFF #7B65FF

triadic

#659CFF #FF659C #9CFF65

tetradic

#659CFF #FF65E9 #FFC865 #65FF7B

square

#659CFF #FF65E9 #FFC865 #65FF7B

split-complementary

#659CFF #FF7B65 #E9FF65

monochromatic

#0053EA #2875FF #659CFF #A2C3FF #DFEBFF

Accessibility & contrast

On white

2.71

#659CFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#659CFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CFF

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CFF	#FFFFFF	#000000	##000000
##659CFF	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#71A5FF

Deuteranopia (green-blind)

#5C97FD

Tritanopia (blue-blind)

#00B2C1

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #659cff;
/* rgb */ color: rgb(101, 156, 255);
/* oklch */ color: oklch(70.0% 0.157 261.3);

Tailwind

colors: {
  custom: {
    50: '#9db8ff',
    500: '#659cff',
    950: '#000000',
  },
}

SCSS

$custom: #659cff;
$custom-light: #9db8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#659cff",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 255
  },
  "hsl": {
    "h": 218.571,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.69979,
    "c": 0.15713,
    "h": 261.3
  },
  "luminance": 0.33764
}

Semantic roles & 50–950 ramp

primary

#659CFF

secondary

#F6E6CA

accent

#9400E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #659CFF

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

Preview Lab → · Contrast checker → · Palette generator →