#657BE9#657BE9

#657BE9 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 62.0% C 0.167 H 272.2°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#657BE9
RGB	rgb(101, 123, 233)
HSL	hsl(230, 75%, 65%)
HSV	hsv(230, 57%, 91%)
CMYK	cmyk(56.7%, 47.2%, 0%, 8.6%)
CIE-LAB	lab(54.88, 23.79, -58.30)
CIE-LCH	lch(54.88, 62.97, 292.20°)
OKLab	oklab(61.99% 0.0064 -0.1664)
OKLCH	oklch(61.99% 0.167 272.2)
XYZ	xyz(27.1529, 22.8138, 80.0476)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BE9 #E9D365

analogous

#65BDE9 #657BE9 #9165E9

triadic

#657BE9 #E9657B #7BE965

tetradic

#657BE9 #E965BD #E9D365 #65E991

square

#657BE9 #E965BD #E9D365 #65E991

split-complementary

#657BE9 #E99165 #BDE965

monochromatic

#1A35B9 #2F4DE1 #657BE9 #9BA9F1 #D0D7F8

Accessibility & contrast

On white

3.77

#657BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#657BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BE9

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BE9	#FFFFFF	#000000	##000000
##657BE9	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4689ED

Deuteranopia (green-blind)

#337EE7

Tritanopia (blue-blind)

#0894A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657be9;
/* rgb */ color: rgb(101, 123, 233);
/* oklch */ color: oklch(62.0% 0.167 272.2);

Tailwind

colors: {
  custom: {
    50: '#9ba0f1',
    500: '#657be9',
    950: '#000000',
  },
}

SCSS

$custom: #657be9;
$custom-light: #9ba0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#657be9",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 233
  },
  "hsl": {
    "h": 230,
    "s": 75,
    "l": 65.49
  },
  "oklch": {
    "l": 0.61994,
    "c": 0.16651,
    "h": 272.2
  },
  "luminance": 0.22816
}

Semantic roles & 50–950 ramp

primary

#657BE9

secondary

#EBE4BF

accent

#B60ED7

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657BE9

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

Preview Lab → · Contrast checker → · Palette generator →