#657ECC#657ECC

#657ECC is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.122 H 269.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#657ECC
RGB	rgb(101, 126, 204)
HSL	hsl(225, 50%, 60%)
HSV	hsv(225, 50%, 80%)
CMYK	cmyk(50.5%, 38.2%, 0%, 20%)
CIE-LAB	lab(54.08, 12.76, -43.26)
CIE-LCH	lch(54.08, 45.10, 286.43°)
OKLab	oklab(60.86% -0.0019 -0.1223)
OKLCH	oklch(60.86% 0.122 269.1)
XYZ	xyz(23.7232, 22.0465, 60.1203)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657ECC #CCB365

analogous

#65B2CC #657ECC #8065CC

triadic

#657ECC #CC657E #7ECC65

tetradic

#657ECC #CC65B2 #CCB365 #65CC80

square

#657ECC #CC65B2 #CCB365 #65CC80

split-complementary

#657ECC #CC8065 #B2CC65

monochromatic

#2D4489 #3D5AB7 #657ECC #93A5DB #C1CBEA

Accessibility & contrast

On white

3.88

#657ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#657ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657ECC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657ECC	#FFFFFF	#000000	##000000
##657ECC	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CF

Deuteranopia (green-blind)

#547DCA

Tritanopia (blue-blind)

#388F9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657ecc;
/* rgb */ color: rgb(101, 126, 204);
/* oklch */ color: oklch(60.9% 0.122 269.1);

Tailwind

colors: {
  custom: {
    50: '#97a3dc',
    500: '#657ecc',
    950: '#000000',
  },
}

SCSS

$custom: #657ecc;
$custom-light: #97a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#657ecc",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 204
  },
  "hsl": {
    "h": 225.437,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60861,
    "c": 0.12228,
    "h": 269.1
  },
  "luminance": 0.22048
}

Semantic roles & 50–950 ramp

primary

#657ECC

secondary

#DAD1B2

accent

#B84EDA

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657ECC

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

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