#657FF9#657FF9

#657FF9 is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.8% C 0.183 H 271.3°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#657FF9
RGB	rgb(101, 127, 249)
HSL	hsl(229, 93%, 69%)
HSV	hsv(229, 59%, 98%)
CMYK	cmyk(59.4%, 49%, 0%, 2.4%)
CIE-LAB	lab(56.86, 26.55, -64.00)
CIE-LCH	lch(56.86, 69.29, 292.53°)
OKLab	oklab(63.81% 0.0041 -0.1831)
OKLCH	oklch(63.81% 0.183 271.3)
XYZ	xyz(30.0494, 24.7826, 92.8042)
Luminance	0.2478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FF9 #F9DF65

analogous

#65C9F9 #657FF9 #9565F9

triadic

#657FF9 #F9657F #7FF965

tetradic

#657FF9 #F965C9 #F9DF65 #65F995

square

#657FF9 #F965C9 #F9DF65 #65F995

split-complementary

#657FF9 #F99565 #C9F965

monochromatic

#092EDB #2A4EF7 #657FF9 #A0B0FB #DBE1FE

Accessibility & contrast

On white

3.53

#657FF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#657FF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FF9

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FF9	#FFFFFF	#000000	##000000
##657FF9	1.00	3.53	5.96	5.96
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8FFD

Deuteranopia (green-blind)

#2082F6

Tritanopia (blue-blind)

#009BB0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #657ff9;
/* rgb */ color: rgb(101, 127, 249);
/* oklch */ color: oklch(63.8% 0.183 271.3);

Tailwind

colors: {
  custom: {
    50: '#9da3fc',
    500: '#657ff9',
    950: '#000000',
  },
}

SCSS

$custom: #657ff9;
$custom-light: #9da3fc;
$custom-dark: #000000;

JSON

{
  "hex": "#657ff9",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 249
  },
  "hsl": {
    "h": 229.459,
    "s": 92.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.63807,
    "c": 0.18316,
    "h": 271.3
  },
  "luminance": 0.24785
}

Semantic roles & 50–950 ramp

primary

#657FF9

secondary

#F3EBC7

accent

#BD00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #657FF9

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

Preview Lab → · Contrast checker → · Palette generator →