#657EC3#657EC3

#657EC3 is a mid, moderate blue. Relative luminance 0.216; OKLCH L 60.4% C 0.109 H 267.9°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#657EC3
RGB	rgb(101, 126, 195)
HSL	hsl(224, 44%, 58%)
HSV	hsv(224, 48%, 76%)
CMYK	cmyk(48.2%, 35.4%, 0%, 23.5%)
CIE-LAB	lab(53.63, 9.98, -38.84)
CIE-LCH	lch(53.63, 40.10, 284.41°)
OKLab	oklab(60.37% -0.004 -0.1094)
OKLCH	oklch(60.37% 0.109 267.9)
XYZ	xyz(22.6748, 21.6271, 54.5988)
Luminance	0.2163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC3 #C3AA65

analogous

#65ADC3 #657EC3 #7B65C3

triadic

#657EC3 #C3657E #7EC365

tetradic

#657EC3 #C365AD #C3AA65 #65C37B

square

#657EC3 #C365AD #C3AA65 #65C37B

split-complementary

#657EC3 #C37B65 #ADC365

monochromatic

#31457D #425DA9 #657EC3 #91A3D4 #BDC8E5

Accessibility & contrast

On white

3.94

#657EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#657EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC3

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC3	#FFFFFF	#000000	##000000
##657EC3	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6485C6

Deuteranopia (green-blind)

#5A7CC1

Tritanopia (blue-blind)

#3F8D97

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ec3;
/* rgb */ color: rgb(101, 126, 195);
/* oklch */ color: oklch(60.4% 0.109 267.9);

Tailwind

colors: {
  custom: {
    50: '#96a3d5',
    500: '#657ec3',
    950: '#000000',
  },
}

SCSS

$custom: #657ec3;
$custom-light: #96a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec3",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 195
  },
  "hsl": {
    "h": 224.043,
    "s": 43.925,
    "l": 58.039
  },
  "oklch": {
    "l": 0.60369,
    "c": 0.10948,
    "h": 267.9
  },
  "luminance": 0.21629
}

Semantic roles & 50–950 ramp

primary

#657EC3

secondary

#D5CBAF

accent

#B254D4

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657EC3

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

Preview Lab → · Contrast checker → · Palette generator →