#657FE5#657FE5

#657FE5 is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.5% C 0.156 H 270.6°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#657FE5
RGB	rgb(101, 127, 229)
HSL	hsl(228, 71%, 65%)
HSV	hsv(228, 56%, 90%)
CMYK	cmyk(55.9%, 44.5%, 0%, 10.2%)
CIE-LAB	lab(55.69, 20.08, -54.78)
CIE-LCH	lch(55.69, 58.34, 290.13°)
OKLab	oklab(62.53% 0.0016 -0.156)
OKLCH	oklch(62.53% 0.156 270.6)
XYZ	xyz(27.0944, 23.6006, 77.2411)
Luminance	0.2360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FE5 #E5CB65

analogous

#65BFE5 #657FE5 #8B65E5

triadic

#657FE5 #E5657F #7FE565

tetradic

#657FE5 #E565BF #E5CB65 #65E58B

square

#657FE5 #E565BF #E5CB65 #65E58B

split-complementary

#657FE5 #E58B65 #BFE565

monochromatic

#1E3CB2 #3153DC #657FE5 #99ABEE #CED6F7

Accessibility & contrast

On white

3.67

#657FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#657FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FE5

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FE5	#FFFFFF	#000000	##000000
##657FE5	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)

#518BE9

Deuteranopia (green-blind)

#4080E3

Tritanopia (blue-blind)

#1496A7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657fe5;
/* rgb */ color: rgb(101, 127, 229);
/* oklch */ color: oklch(62.5% 0.156 270.6);

Tailwind

colors: {
  custom: {
    50: '#9aa3ee',
    500: '#657fe5',
    950: '#000000',
  },
}

SCSS

$custom: #657fe5;
$custom-light: #9aa3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#657fe5",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 229
  },
  "hsl": {
    "h": 227.813,
    "s": 71.111,
    "l": 64.706
  },
  "oklch": {
    "l": 0.62533,
    "c": 0.15601,
    "h": 270.6
  },
  "luminance": 0.23603
}

Semantic roles & 50–950 ramp

primary

#657FE5

secondary

#E9E0BD

accent

#AC12D3

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #657FE5

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

Preview Lab → · Contrast checker → · Palette generator →