#657EC2#657EC2

#657EC2 is a mid, moderate blue. Relative luminance 0.216; OKLCH L 60.3% C 0.108 H 267.8°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#657EC2
RGB	rgb(101, 126, 194)
HSL	hsl(224, 43%, 58%)
HSV	hsv(224, 48%, 76%)
CMYK	cmyk(47.9%, 35.1%, 0%, 23.9%)
CIE-LAB	lab(53.58, 9.67, -38.35)
CIE-LCH	lch(53.58, 39.55, 284.15°)
OKLab	oklab(60.32% -0.0042 -0.108)
OKLCH	oklch(60.32% 0.108 267.8)
XYZ	xyz(22.5622, 21.5821, 54.0053)
Luminance	0.2158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC2 #C2A965

analogous

#65ACC2 #657EC2 #7A65C2

triadic

#657EC2 #C2657E #7EC265

tetradic

#657EC2 #C265AC #C2A965 #65C27A

square

#657EC2 #C265AC #C2A965 #65C27A

split-complementary

#657EC2 #C27A65 #ACC265

monochromatic

#31457C #425EA7 #657EC2 #91A3D3 #BDC7E5

Accessibility & contrast

On white

3.95

#657EC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#657EC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC2

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC2	#FFFFFF	#000000	##000000
##657EC2	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6584C5

Deuteranopia (green-blind)

#5B7CC0

Tritanopia (blue-blind)

#408C97

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ec2;
/* rgb */ color: rgb(101, 126, 194);
/* oklch */ color: oklch(60.3% 0.108 267.8);

Tailwind

colors: {
  custom: {
    50: '#96a3d5',
    500: '#657ec2',
    950: '#000000',
  },
}

SCSS

$custom: #657ec2;
$custom-light: #96a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec2",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 194
  },
  "hsl": {
    "h": 223.871,
    "s": 43.256,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60316,
    "c": 0.10805,
    "h": 267.8
  },
  "luminance": 0.21583
}

Semantic roles & 50–950 ramp

primary

#657EC2

secondary

#D4CAAF

accent

#B155D3

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657EC2

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

Preview Lab → · Contrast checker → · Palette generator →