#657DF9#657DF9

#657DF9 is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.4% C 0.186 H 271.9°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#657DF9
RGB	rgb(101, 125, 249)
HSL	hsl(230, 93%, 69%)
HSV	hsv(230, 59%, 98%)
CMYK	cmyk(59.4%, 49.8%, 0%, 2.4%)
CIE-LAB	lab(56.36, 27.76, -64.81)
CIE-LCH	lch(56.36, 70.51, 293.19°)
OKLab	oklab(63.43% 0.0061 -0.1855)
OKLCH	oklch(63.43% 0.186 271.9)
XYZ	xyz(29.7937, 24.2711, 92.7189)
Luminance	0.2427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DF9 #F9E165

analogous

#65C7F9 #657DF9 #9765F9

triadic

#657DF9 #F9657D #7DF965

tetradic

#657DF9 #F965C7 #F9E165 #65F997

square

#657DF9 #F965C7 #F9E165 #65F997

split-complementary

#657DF9 #F99765 #C7F965

monochromatic

#092BDB #2A4BF7 #657DF9 #A0AFFB #DBE0FE

Accessibility & contrast

On white

3.59

#657DF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#657DF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DF9

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DF9	#FFFFFF	#000000	##000000
##657DF9	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#398EFD

Deuteranopia (green-blind)

#1781F6

Tritanopia (blue-blind)

#0099AF

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657df9;
/* rgb */ color: rgb(101, 125, 249);
/* oklch */ color: oklch(63.4% 0.186 271.9);

Tailwind

colors: {
  custom: {
    50: '#9da2fc',
    500: '#657df9',
    950: '#000000',
  },
}

SCSS

$custom: #657df9;
$custom-light: #9da2fc;
$custom-dark: #000000;

JSON

{
  "hex": "#657df9",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 249
  },
  "hsl": {
    "h": 230.27,
    "s": 92.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.63425,
    "c": 0.18562,
    "h": 271.9
  },
  "luminance": 0.24273
}

Semantic roles & 50–950 ramp

primary

#657DF9

secondary

#F3ECC7

accent

#C000E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F18

muted

#7F7E86

Preview Lab

Preview with #657DF9

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

Preview Lab → · Contrast checker → · Palette generator →