#657EDC#657EDC

#657EDC is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.8% C 0.145 H 270.5°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#657EDC
RGB	rgb(101, 126, 220)
HSL	hsl(227, 63%, 63%)
HSV	hsv(227, 54%, 86%)
CMYK	cmyk(54.1%, 42.7%, 0%, 13.7%)
CIE-LAB	lab(54.92, 17.80, -50.95)
CIE-LCH	lch(54.92, 53.97, 289.26°)
OKLab	oklab(61.79% 0.0012 -0.1448)
OKLCH	oklch(61.79% 0.145 270.5)
XYZ	xyz(25.7417, 22.8539, 70.7510)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EDC #DCC365

analogous

#65B9DC #657EDC #8765DC

triadic

#657EDC #DC657E #7EDC65

tetradic

#657EDC #DC65B9 #DCC365 #65DC87

square

#657EDC #DC65B9 #DCC365 #65DC87

split-complementary

#657EDC #DC8765 #B9DC65

monochromatic

#253FA2 #3354D1 #657EDC #97A8E7 #C9D2F3

Accessibility & contrast

On white

3.77

#657EDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#657EDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EDC

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EDC	#FFFFFF	#000000	##000000
##657EDC	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5689E0

Deuteranopia (green-blind)

#487FDA

Tritanopia (blue-blind)

#2693A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657edc;
/* rgb */ color: rgb(101, 126, 220);
/* oklch */ color: oklch(61.8% 0.145 270.5);

Tailwind

colors: {
  custom: {
    50: '#99a3e7',
    500: '#657edc',
    950: '#000000',
  },
}

SCSS

$custom: #657edc;
$custom-light: #99a3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#657edc",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 220
  },
  "hsl": {
    "h": 227.395,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61786,
    "c": 0.14479,
    "h": 270.5
  },
  "luminance": 0.22856
}

Semantic roles & 50–950 ramp

primary

#657EDC

secondary

#E4DBB9

accent

#A61BCB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #657EDC

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

Preview Lab → · Contrast checker → · Palette generator →