#657ECB#657ECB

#657ECB is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.8% C 0.121 H 269.0°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#657ECB
RGB	rgb(101, 126, 203)
HSL	hsl(225, 50%, 60%)
HSV	hsv(225, 50%, 80%)
CMYK	cmyk(50.2%, 37.9%, 0%, 20.4%)
CIE-LAB	lab(54.03, 12.45, -42.77)
CIE-LCH	lch(54.03, 44.54, 286.22°)
OKLab	oklab(60.81% -0.0021 -0.1208)
OKLCH	oklch(60.81% 0.121 269)
XYZ	xyz(23.6037, 21.9987, 59.4907)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657ECB #CBB265

analogous

#65B1CB #657ECB #7F65CB

triadic

#657ECB #CB657E #7ECB65

tetradic

#657ECB #CB65B1 #CBB265 #65CB7F

square

#657ECB #CB65B1 #CBB265 #65CB7F

split-complementary

#657ECB #CB7F65 #B1CB65

monochromatic

#2E4488 #3D5BB6 #657ECB #93A4DA #C1CBEA

Accessibility & contrast

On white

3.89

#657ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#657ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657ECB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657ECB	#FFFFFF	#000000	##000000
##657ECB	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CE

Deuteranopia (green-blind)

#557DC9

Tritanopia (blue-blind)

#398E9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657ecb;
/* rgb */ color: rgb(101, 126, 203);
/* oklch */ color: oklch(60.8% 0.121 269.0);

Tailwind

colors: {
  custom: {
    50: '#97a3db',
    500: '#657ecb',
    950: '#000000',
  },
}

SCSS

$custom: #657ecb;
$custom-light: #97a3db;
$custom-dark: #000000;

JSON

{
  "hex": "#657ecb",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 203
  },
  "hsl": {
    "h": 225.294,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.60805,
    "c": 0.12087,
    "h": 269
  },
  "luminance": 0.22
}

Semantic roles & 50–950 ramp

primary

#657ECB

secondary

#DAD0B2

accent

#B74FD9

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657ECB

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

Preview Lab → · Contrast checker → · Palette generator →