#657FC3#657FC3

#657FC3 is a mid, moderate blue. Relative luminance 0.219; OKLCH L 60.6% C 0.108 H 267.3°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#657FC3
RGB	rgb(101, 127, 195)
HSL	hsl(223, 44%, 58%)
HSV	hsv(223, 48%, 76%)
CMYK	cmyk(48.2%, 34.9%, 0%, 23.5%)
CIE-LAB	lab(53.90, 9.38, -38.41)
CIE-LCH	lch(53.90, 39.54, 283.72°)
OKLab	oklab(60.58% -0.0052 -0.1081)
OKLCH	oklch(60.58% 0.108 267.3)
XYZ	xyz(22.8033, 21.8841, 54.6416)
Luminance	0.2189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FC3 #C3A965

analogous

#65AEC3 #657FC3 #7A65C3

triadic

#657FC3 #C3657F #7FC365

tetradic

#657FC3 #C365AE #C3A965 #65C37A

square

#657FC3 #C365AE #C3A965 #65C37A

split-complementary

#657FC3 #C37A65 #AEC365

monochromatic

#31467D #425EA9 #657FC3 #91A4D4 #BDC8E5

Accessibility & contrast

On white

3.91

#657FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#657FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FC3

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FC3	#FFFFFF	#000000	##000000
##657FC3	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6585C6

Deuteranopia (green-blind)

#5C7DC1

Tritanopia (blue-blind)

#3F8D98

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657fc3;
/* rgb */ color: rgb(101, 127, 195);
/* oklch */ color: oklch(60.6% 0.108 267.3);

Tailwind

colors: {
  custom: {
    50: '#96a3d5',
    500: '#657fc3',
    950: '#000000',
  },
}

SCSS

$custom: #657fc3;
$custom-light: #96a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#657fc3",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 195
  },
  "hsl": {
    "h": 223.404,
    "s": 43.925,
    "l": 58.039
  },
  "oklch": {
    "l": 0.60582,
    "c": 0.10826,
    "h": 267.3
  },
  "luminance": 0.21886
}

Semantic roles & 50–950 ramp

primary

#657FC3

secondary

#D5CAAF

accent

#B054D4

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657FC3

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

Preview Lab → · Contrast checker → · Palette generator →