#657FD3#657FD3

#657FD3 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.5% C 0.131 H 269.3°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#657FD3
RGB	rgb(101, 127, 211)
HSL	hsl(226, 56%, 61%)
HSV	hsv(226, 52%, 83%)
CMYK	cmyk(52.1%, 39.8%, 0%, 17.3%)
CIE-LAB	lab(54.71, 14.35, -46.22)
CIE-LCH	lch(54.71, 48.40, 287.24°)
OKLab	oklab(61.46% -0.0016 -0.1309)
OKLCH	oklch(61.46% 0.131 269.3)
XYZ	xyz(24.7102, 22.6469, 64.6846)
Luminance	0.2265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FD3 #D3B965

analogous

#65B6D3 #657FD3 #8265D3

triadic

#657FD3 #D3657F #7FD365

tetradic

#657FD3 #D365B6 #D3B965 #65D382

square

#657FD3 #D365B6 #D3B965 #65D382

split-complementary

#657FD3 #D38265 #B6D365

monochromatic

#2A4393 #3859C3 #657FD3 #95A7E1 #C4CEEE

Accessibility & contrast

On white

3.80

#657FD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#657FD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FD3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FD3	#FFFFFF	#000000	##000000
##657FD3	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D88D6

Deuteranopia (green-blind)

#517ED1

Tritanopia (blue-blind)

#31919F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657fd3;
/* rgb */ color: rgb(101, 127, 211);
/* oklch */ color: oklch(61.5% 0.131 269.3);

Tailwind

colors: {
  custom: {
    50: '#98a3e1',
    500: '#657fd3',
    950: '#000000',
  },
}

SCSS

$custom: #657fd3;
$custom-light: #98a3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#657fd3",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 211
  },
  "hsl": {
    "h": 225.818,
    "s": 55.556,
    "l": 61.176
  },
  "oklch": {
    "l": 0.61464,
    "c": 0.13094,
    "h": 269.3
  },
  "luminance": 0.22649
}

Semantic roles & 50–950 ramp

primary

#657FD3

secondary

#DFD5B5

accent

#9D22C3

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657FD3

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

Preview Lab → · Contrast checker → · Palette generator →