#657DDC#657DDC

#657DDC is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.6% C 0.146 H 270.9°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#657DDC
RGB	rgb(101, 125, 220)
HSL	hsl(228, 63%, 63%)
HSV	hsv(228, 54%, 86%)
CMYK	cmyk(54.1%, 43.2%, 0%, 13.7%)
CIE-LAB	lab(54.66, 18.41, -51.37)
CIE-LCH	lch(54.66, 54.57, 289.71°)
OKLab	oklab(61.58% 0.0023 -0.146)
OKLCH	oklch(61.58% 0.146 270.9)
XYZ	xyz(25.6145, 22.5994, 70.7086)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DDC #DCC465

analogous

#65B8DC #657DDC #8865DC

triadic

#657DDC #DC657D #7DDC65

tetradic

#657DDC #DC65B8 #DCC465 #65DC88

square

#657DDC #DC65B8 #DCC465 #65DC88

split-complementary

#657DDC #DC8865 #B8DC65

monochromatic

#253EA2 #3353D1 #657DDC #97A7E7 #C9D1F3

Accessibility & contrast

On white

3.80

#657DDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#657DDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DDC

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DDC	#FFFFFF	#000000	##000000
##657DDC	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5488E0

Deuteranopia (green-blind)

#467EDA

Tritanopia (blue-blind)

#2692A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657ddc;
/* rgb */ color: rgb(101, 125, 220);
/* oklch */ color: oklch(61.6% 0.146 270.9);

Tailwind

colors: {
  custom: {
    50: '#99a2e7',
    500: '#657ddc',
    950: '#000000',
  },
}

SCSS

$custom: #657ddc;
$custom-light: #99a2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#657ddc",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 220
  },
  "hsl": {
    "h": 227.899,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61583,
    "c": 0.14605,
    "h": 270.9
  },
  "luminance": 0.22601
}

Semantic roles & 50–950 ramp

primary

#657DDC

secondary

#E4DBB9

accent

#A71BCB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #657DDC

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

Preview Lab → · Contrast checker → · Palette generator →