#657AEE#657AEE

#657AEE is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.1% C 0.175 H 272.6°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#657AEE
RGB	rgb(101, 122, 238)
HSL	hsl(231, 80%, 66%)
HSV	hsv(231, 58%, 93%)
CMYK	cmyk(57.6%, 48.7%, 0%, 6.7%)
CIE-LAB	lab(54.92, 26.01, -61.02)
CIE-LCH	lch(54.92, 66.33, 293.08°)
OKLab	oklab(62.12% 0.008 -0.1744)
OKLCH	oklch(62.12% 0.175 272.6)
XYZ	xyz(27.7539, 22.8567, 83.8216)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AEE #EED965

analogous

#65BFEE #657AEE #9565EE

triadic

#657AEE #EE657A #7AEE65

tetradic

#657AEE #EE65BF #EED965 #65EE95

square

#657AEE #EE65BF #EED965 #65EE95

split-complementary

#657AEE #EE9565 #BFEE65

monochromatic

#1630C3 #2E4AE8 #657AEE #9CAAF4 #D3D9FA

Accessibility & contrast

On white

3.77

#657AEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#657AEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AEE

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AEE	#FFFFFF	#000000	##000000
##657AEE	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8AF2

Deuteranopia (green-blind)

#277EEC

Tritanopia (blue-blind)

#0094A9

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657aee;
/* rgb */ color: rgb(101, 122, 238);
/* oklch */ color: oklch(62.1% 0.175 272.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657aee",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 238
  },
  "hsl": {
    "h": 230.803,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.62124,
    "c": 0.17457,
    "h": 272.6
  },
  "luminance": 0.22859
}

Semantic roles & 50–950 ramp

primary

#657AEE

secondary

#EEE7C1

accent

#BC09DC

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657AEE

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

Preview Lab → · Contrast checker → · Palette generator →