#657AF9#657AF9

#657AF9 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.9% C 0.189 H 272.7°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#657AF9
RGB	rgb(101, 122, 249)
HSL	hsl(231, 93%, 69%)
HSV	hsv(231, 59%, 98%)
CMYK	cmyk(59.4%, 51%, 0%, 2.4%)
CIE-LAB	lab(55.61, 29.57, -66.02)
CIE-LCH	lch(55.61, 72.34, 294.13°)
OKLab	oklab(62.86% 0.009 -0.1891)
OKLCH	oklch(62.86% 0.189 272.7)
XYZ	xyz(29.4196, 23.5230, 92.5942)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AF9 #F9E465

analogous

#65C4F9 #657AF9 #9A65F9

triadic

#657AF9 #F9657A #7AF965

tetradic

#657AF9 #F965C4 #F9E465 #65F99A

square

#657AF9 #F965C4 #F9E465 #65F99A

split-complementary

#657AF9 #F99A65 #C4F965

monochromatic

#0926DB #2A47F7 #657AF9 #A0ADFB #DBE0FE

Accessibility & contrast

On white

3.68

#657AF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#657AF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AF9

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AF9	#FFFFFF	#000000	##000000
##657AF9	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#318CFE

Deuteranopia (green-blind)

#007FF6

Tritanopia (blue-blind)

#0097AE

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657af9;
/* rgb */ color: rgb(101, 122, 249);
/* oklch */ color: oklch(62.9% 0.189 272.7);

Tailwind

colors: {
  custom: {
    50: '#9da0fc',
    500: '#657af9',
    950: '#000000',
  },
}

SCSS

$custom: #657af9;
$custom-light: #9da0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#657af9",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 249
  },
  "hsl": {
    "h": 231.486,
    "s": 92.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.62858,
    "c": 0.18933,
    "h": 272.7
  },
  "luminance": 0.23525
}

Semantic roles & 50–950 ramp

primary

#657AF9

secondary

#F3EDC7

accent

#C500E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #657AF9

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

Preview Lab → · Contrast checker → · Palette generator →