#657CEE#657CEE

#657CEE is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.5% C 0.172 H 272.0°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#657CEE
RGB	rgb(101, 124, 238)
HSL	hsl(230, 80%, 66%)
HSV	hsv(230, 58%, 93%)
CMYK	cmyk(57.6%, 47.9%, 0%, 6.7%)
CIE-LAB	lab(55.43, 24.80, -60.20)
CIE-LCH	lch(55.43, 65.10, 292.39°)
OKLab	oklab(62.51% 0.0059 -0.172)
OKLCH	oklch(62.51% 0.172 272)
XYZ	xyz(28.0020, 23.3529, 83.9043)
Luminance	0.2336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CEE #EED765

analogous

#65C1EE #657CEE #9365EE

triadic

#657CEE #EE657C #7CEE65

tetradic

#657CEE #EE65C1 #EED765 #65EE93

square

#657CEE #EE65C1 #EED765 #65EE93

split-complementary

#657CEE #EE9365 #C1EE65

monochromatic

#1633C3 #2E4DE8 #657CEE #9CABF4 #D3DAFA

Accessibility & contrast

On white

3.70

#657CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#657CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CEE

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CEE	#FFFFFF	#000000	##000000
##657CEE	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438BF2

Deuteranopia (green-blind)

#2D7FEC

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657cee;
/* rgb */ color: rgb(101, 124, 238);
/* oklch */ color: oklch(62.5% 0.172 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ba1f4',
    500: '#657cee',
    950: '#000000',
  },
}

SCSS

$custom: #657cee;
$custom-light: #9ba1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#657cee",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 238
  },
  "hsl": {
    "h": 229.927,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.6251,
    "c": 0.17206,
    "h": 272
  },
  "luminance": 0.23355
}

Semantic roles & 50–950 ramp

primary

#657CEE

secondary

#EEE6C1

accent

#B909DC

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657CEE

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

Preview Lab → · Contrast checker → · Palette generator →