#657BEE#657BEE

#657BEE is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.3% C 0.173 H 272.3°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#657BEE
RGB	rgb(101, 123, 238)
HSL	hsl(230, 80%, 66%)
HSV	hsv(230, 58%, 93%)
CMYK	cmyk(57.6%, 48.3%, 0%, 6.7%)
CIE-LAB	lab(55.18, 25.40, -60.61)
CIE-LCH	lch(55.18, 65.72, 292.74°)
OKLab	oklab(62.32% 0.0069 -0.1732)
OKLCH	oklch(62.32% 0.173 272.3)
XYZ	xyz(27.8773, 23.1035, 83.8627)
Luminance	0.2311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BEE #EED865

analogous

#65C0EE #657BEE #9465EE

triadic

#657BEE #EE657B #7BEE65

tetradic

#657BEE #EE65C0 #EED865 #65EE94

square

#657BEE #EE65C0 #EED865 #65EE94

split-complementary

#657BEE #EE9465 #C0EE65

monochromatic

#1631C3 #2E4CE8 #657BEE #9CAAF4 #D3D9FA

Accessibility & contrast

On white

3.74

#657BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#657BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BEE

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BEE	#FFFFFF	#000000	##000000
##657BEE	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#418AF2

Deuteranopia (green-blind)

#2A7EEC

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657bee;
/* rgb */ color: rgb(101, 123, 238);
/* oklch */ color: oklch(62.3% 0.173 272.3);

Tailwind

colors: {
  custom: {
    50: '#9ba0f4',
    500: '#657bee',
    950: '#000000',
  },
}

SCSS

$custom: #657bee;
$custom-light: #9ba0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#657bee",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 238
  },
  "hsl": {
    "h": 230.365,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.62316,
    "c": 0.17332,
    "h": 272.3
  },
  "luminance": 0.23106
}

Semantic roles & 50–950 ramp

primary

#657BEE

secondary

#EEE6C1

accent

#BA09DC

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657BEE

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

Preview Lab → · Contrast checker → · Palette generator →