#657FC4#657FC4

#657FC4 is a mid, moderate blue. Relative luminance 0.219; OKLCH L 60.6% C 0.110 H 267.4°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#657FC4
RGB	rgb(101, 127, 196)
HSL	hsl(224, 45%, 58%)
HSV	hsv(224, 48%, 77%)
CMYK	cmyk(48.5%, 35.2%, 0%, 23.1%)
CIE-LAB	lab(53.95, 9.68, -38.90)
CIE-LCH	lch(53.95, 40.09, 283.98°)
OKLab	oklab(60.63% -0.0049 -0.1096)
OKLCH	oklch(60.63% 0.11 267.4)
XYZ	xyz(22.9168, 21.9295, 55.2391)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FC4 #C4AA65

analogous

#65AEC4 #657FC4 #7A65C4

triadic

#657FC4 #C4657F #7FC465

tetradic

#657FC4 #C465AE #C4AA65 #65C47A

square

#657FC4 #C465AE #C4AA65 #65C47A

split-complementary

#657FC4 #C47A65 #AEC465

monochromatic

#30467E #415EAA #657FC4 #91A4D5 #BDC9E6

Accessibility & contrast

On white

3.90

#657FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#657FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FC4

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FC4	#FFFFFF	#000000	##000000
##657FC4	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6586C7

Deuteranopia (green-blind)

#5B7DC2

Tritanopia (blue-blind)

#3E8E98

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657fc4;
/* rgb */ color: rgb(101, 127, 196);
/* oklch */ color: oklch(60.6% 0.110 267.4);

Tailwind

colors: {
  custom: {
    50: '#96a3d6',
    500: '#657fc4',
    950: '#000000',
  },
}

SCSS

$custom: #657fc4;
$custom-light: #96a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#657fc4",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 196
  },
  "hsl": {
    "h": 223.579,
    "s": 44.601,
    "l": 58.235
  },
  "oklch": {
    "l": 0.60635,
    "c": 0.10969,
    "h": 267.4
  },
  "luminance": 0.21931
}

Semantic roles & 50–950 ramp

primary

#657FC4

secondary

#D5CBAF

accent

#B153D4

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657FC4

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

Preview Lab → · Contrast checker → · Palette generator →