#659CFB#659CFB

#659CFB is a light, vivid blue. Relative luminance 0.335; OKLCH L 69.8% C 0.152 H 260.7°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#659CFB
RGB	rgb(101, 156, 251)
HSL	hsl(218, 95%, 69%)
HSV	hsv(218, 60%, 98%)
CMYK	cmyk(59.8%, 37.8%, 0%, 1.6%)
CIE-LAB	lab(64.57, 9.95, -52.79)
CIE-LCH	lch(64.57, 53.72, 280.67°)
OKLab	oklab(69.76% -0.0246 -0.1499)
OKLCH	oklch(69.76% 0.152 260.7)
XYZ	xyz(34.6618, 33.5056, 95.8887)
Luminance	0.3351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CFB #FBC465

analogous

#65E7FB #659CFB #7965FB

triadic

#659CFB #FB659C #9CFB65

tetradic

#659CFB #FB65E7 #FBC465 #65FB79

square

#659CFB #FB65E7 #FBC465 #65FB79

split-complementary

#659CFB #FB7965 #E7FB65

monochromatic

#0656E0 #2976F9 #659CFB #A1C2FD #DCE9FE

Accessibility & contrast

On white

2.73

#659CFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#659CFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CFB

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CFB	#FFFFFF	#000000	##000000
##659CFB	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#73A4FF

Deuteranopia (green-blind)

#5F96F9

Tritanopia (blue-blind)

#00B1BF

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #659cfb;
/* rgb */ color: rgb(101, 156, 251);
/* oklch */ color: oklch(69.8% 0.152 260.7);

Tailwind

colors: {
  custom: {
    50: '#9cb8fd',
    500: '#659cfb',
    950: '#000000',
  },
}

SCSS

$custom: #659cfb;
$custom-light: #9cb8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#659cfb",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 251
  },
  "hsl": {
    "h": 218,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.69755,
    "c": 0.15189,
    "h": 260.7
  },
  "luminance": 0.33509
}

Semantic roles & 50–950 ramp

primary

#659CFB

secondary

#F4E4C8

accent

#9100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #659CFB

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

Preview Lab → · Contrast checker → · Palette generator →