#657AEF#657AEF

#657AEF is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.2% C 0.176 H 272.6°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#657AEF
RGB	rgb(101, 122, 239)
HSL	hsl(231, 81%, 67%)
HSV	hsv(231, 58%, 94%)
CMYK	cmyk(57.7%, 49%, 0%, 6.3%)
CIE-LAB	lab(54.99, 26.33, -61.48)
CIE-LCH	lch(54.99, 66.88, 293.19°)
OKLab	oklab(62.19% 0.0081 -0.1757)
OKLCH	oklch(62.19% 0.176 272.6)
XYZ	xyz(27.9012, 22.9156, 84.5975)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AEF #EFDA65

analogous

#65BFEF #657AEF #9565EF

triadic

#657AEF #EF657A #7AEF65

tetradic

#657AEF #EF65BF #EFDA65 #65EF95

square

#657AEF #EF65BF #EFDA65 #65EF95

split-complementary

#657AEF #EF9565 #BFEF65

monochromatic

#142FC5 #2E4AE9 #657AEF #9CAAF5 #D4DAFB

Accessibility & contrast

On white

3.76

#657AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#657AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AEF

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AEF	#FFFFFF	#000000	##000000
##657AEF	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8AF3

Deuteranopia (green-blind)

#257EED

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657aef;
/* rgb */ color: rgb(101, 122, 239);
/* oklch */ color: oklch(62.2% 0.176 272.6);

Tailwind

colors: {
  custom: {
    50: '#9ca0f5',
    500: '#657aef',
    950: '#000000',
  },
}

SCSS

$custom: #657aef;
$custom-light: #9ca0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#657aef",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 239
  },
  "hsl": {
    "h": 230.87,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.62189,
    "c": 0.17592,
    "h": 272.6
  },
  "luminance": 0.22918
}

Semantic roles & 50–950 ramp

primary

#657AEF

secondary

#EEE7C2

accent

#BD08DE

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657AEF

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

Preview Lab → · Contrast checker → · Palette generator →