#657EC6#657EC6

#657EC6 is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.5% C 0.114 H 268.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#657EC6
RGB	rgb(101, 126, 198)
HSL	hsl(225, 46%, 59%)
HSV	hsv(225, 49%, 78%)
CMYK	cmyk(49%, 36.4%, 0%, 22.4%)
CIE-LAB	lab(53.78, 10.90, -40.32)
CIE-LCH	lch(53.78, 41.77, 285.12°)
OKLab	oklab(60.53% -0.0032 -0.1137)
OKLCH	oklch(60.53% 0.114 268.4)
XYZ	xyz(23.0174, 21.7642, 56.4032)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC6 #C6AD65

analogous

#65AEC6 #657EC6 #7C65C6

triadic

#657EC6 #C6657E #7EC665

tetradic

#657EC6 #C665AE #C6AD65 #65C67C

square

#657EC6 #C665AE #C6AD65 #65C67C

split-complementary

#657EC6 #C67C65 #AEC665

monochromatic

#304581 #405CAE #657EC6 #92A3D7 #BEC9E7

Accessibility & contrast

On white

3.92

#657EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#657EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC6

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC6	#FFFFFF	#000000	##000000
##657EC6	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6385C9

Deuteranopia (green-blind)

#587DC4

Tritanopia (blue-blind)

#3D8D99

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ec6;
/* rgb */ color: rgb(101, 126, 198);
/* oklch */ color: oklch(60.5% 0.114 268.4);

Tailwind

colors: {
  custom: {
    50: '#96a3d7',
    500: '#657ec6',
    950: '#000000',
  },
}

SCSS

$custom: #657ec6;
$custom-light: #96a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec6",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 198
  },
  "hsl": {
    "h": 224.536,
    "s": 45.972,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60531,
    "c": 0.11376,
    "h": 268.4
  },
  "luminance": 0.21766
}

Semantic roles & 50–950 ramp

primary

#657EC6

secondary

#D7CDB0

accent

#B452D6

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657EC6

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

Preview Lab → · Contrast checker → · Palette generator →