#657DEE#657DEE

#657DEE is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.7% C 0.171 H 271.6°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#657DEE
RGB	rgb(101, 125, 238)
HSL	hsl(229, 80%, 66%)
HSV	hsv(229, 58%, 93%)
CMYK	cmyk(57.6%, 47.5%, 0%, 6.7%)
CIE-LAB	lab(55.69, 24.19, -59.79)
CIE-LCH	lch(55.69, 64.50, 292.03°)
OKLab	oklab(62.7% 0.0049 -0.1707)
OKLCH	oklch(62.7% 0.171 271.6)
XYZ	xyz(28.1280, 23.6048, 83.9463)
Luminance	0.2361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DEE #EED665

analogous

#65C2EE #657DEE #9265EE

triadic

#657DEE #EE657D #7DEE65

tetradic

#657DEE #EE65C2 #EED665 #65EE92

square

#657DEE #EE65C2 #EED665 #65EE92

split-complementary

#657DEE #EE9265 #C2EE65

monochromatic

#1634C3 #2E4EE8 #657DEE #9CACF4 #D3DAFA

Accessibility & contrast

On white

3.67

#657DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#657DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DEE

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DEE	#FFFFFF	#000000	##000000
##657DEE	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468CF2

Deuteranopia (green-blind)

#3080EC

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657dee;
/* rgb */ color: rgb(101, 125, 238);
/* oklch */ color: oklch(62.7% 0.171 271.6);

Tailwind

colors: {
  custom: {
    50: '#9ba2f4',
    500: '#657dee',
    950: '#000000',
  },
}

SCSS

$custom: #657dee;
$custom-light: #9ba2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#657dee",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 238
  },
  "hsl": {
    "h": 229.489,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.62704,
    "c": 0.17081,
    "h": 271.6
  },
  "luminance": 0.23607
}

Semantic roles & 50–950 ramp

primary

#657DEE

secondary

#EEE6C1

accent

#B709DC

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #657DEE

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

Preview Lab → · Contrast checker → · Palette generator →