#657ECF#657ECF

#657ECF is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.0% C 0.127 H 269.4°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#657ECF
RGB	rgb(101, 126, 207)
HSL	hsl(226, 52%, 60%)
HSV	hsv(226, 51%, 81%)
CMYK	cmyk(51.2%, 39.1%, 0%, 18.8%)
CIE-LAB	lab(54.23, 13.69, -44.71)
CIE-LCH	lch(54.23, 46.76, 287.03°)
OKLab	oklab(61.03% -0.0012 -0.1265)
OKLCH	oklch(61.03% 0.127 269.4)
XYZ	xyz(24.0865, 22.1918, 62.0336)
Luminance	0.2219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657ECF #CFB665

analogous

#65B3CF #657ECF #8165CF

triadic

#657ECF #CF657E #7ECF65

tetradic

#657ECF #CF65B3 #CFB665 #65CF81

square

#657ECF #CF65B3 #CFB665 #65CF81

split-complementary

#657ECF #CF8165 #B3CF65

monochromatic

#2C438D #3B59BC #657ECF #94A5DE #C2CCEC

Accessibility & contrast

On white

3.86

#657ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#657ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657ECF

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657ECF	#FFFFFF	#000000	##000000
##657ECF	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E87D2

Deuteranopia (green-blind)

#527DCD

Tritanopia (blue-blind)

#358F9C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657ecf;
/* rgb */ color: rgb(101, 126, 207);
/* oklch */ color: oklch(61.0% 0.127 269.4);

Tailwind

colors: {
  custom: {
    50: '#97a3de',
    500: '#657ecf',
    950: '#000000',
  },
}

SCSS

$custom: #657ecf;
$custom-light: #97a3de;
$custom-dark: #000000;

JSON

{
  "hex": "#657ecf",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 207
  },
  "hsl": {
    "h": 225.849,
    "s": 52.475,
    "l": 60.392
  },
  "oklch": {
    "l": 0.61029,
    "c": 0.12654,
    "h": 269.4
  },
  "luminance": 0.22193
}

Semantic roles & 50–950 ramp

primary

#657ECF

secondary

#DCD3B4

accent

#9C26C0

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657ECF

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

Preview Lab → · Contrast checker → · Palette generator →