#657EC7#657EC7

#657EC7 is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.6% C 0.115 H 268.5°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#657EC7
RGB	rgb(101, 126, 199)
HSL	hsl(225, 47%, 59%)
HSV	hsv(225, 49%, 78%)
CMYK	cmyk(49.2%, 36.7%, 0%, 22%)
CIE-LAB	lab(53.83, 11.21, -40.81)
CIE-LCH	lch(53.83, 42.32, 285.35°)
OKLab	oklab(60.59% -0.003 -0.1151)
OKLCH	oklch(60.59% 0.115 268.5)
XYZ	xyz(23.1332, 21.8105, 57.0126)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC7 #C7AE65

analogous

#65AFC7 #657EC7 #7D65C7

triadic

#657EC7 #C7657E #7EC765

tetradic

#657EC7 #C765AF #C7AE65 #65C77D

square

#657EC7 #C765AF #C7AE65 #65C77D

split-complementary

#657EC7 #C77D65 #AFC765

monochromatic

#2F4582 #405CAF #657EC7 #92A4D7 #BFC9E8

Accessibility & contrast

On white

3.92

#657EC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#657EC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC7

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC7	#FFFFFF	#000000	##000000
##657EC7	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6285CA

Deuteranopia (green-blind)

#587DC5

Tritanopia (blue-blind)

#3C8D99

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657ec7;
/* rgb */ color: rgb(101, 126, 199);
/* oklch */ color: oklch(60.6% 0.115 268.5);

Tailwind

colors: {
  custom: {
    50: '#96a3d8',
    500: '#657ec7',
    950: '#000000',
  },
}

SCSS

$custom: #657ec7;
$custom-light: #96a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec7",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 199
  },
  "hsl": {
    "h": 224.694,
    "s": 46.667,
    "l": 58.824
  },
  "oklch": {
    "l": 0.60585,
    "c": 0.11518,
    "h": 268.5
  },
  "luminance": 0.21812
}

Semantic roles & 50–950 ramp

primary

#657EC7

secondary

#D7CDB1

accent

#B451D6

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657EC7

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

Preview Lab → · Contrast checker → · Palette generator →