#657EC9#657EC9

#657EC9 is a mid, moderate blue. Relative luminance 0.219; OKLCH L 60.7% C 0.118 H 268.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#657EC9
RGB	rgb(101, 126, 201)
HSL	hsl(225, 48%, 59%)
HSV	hsv(225, 50%, 79%)
CMYK	cmyk(49.8%, 37.3%, 0%, 21.2%)
CIE-LAB	lab(53.92, 11.83, -41.79)
CIE-LCH	lch(53.92, 43.43, 285.80°)
OKLab	oklab(60.7% -0.0025 -0.118)
OKLCH	oklch(60.7% 0.118 268.8)
XYZ	xyz(23.3669, 21.9039, 58.2436)
Luminance	0.2190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC9 #C9B065

analogous

#65B0C9 #657EC9 #7E65C9

triadic

#657EC9 #C9657E #7EC965

tetradic

#657EC9 #C965B0 #C9B065 #65C97E

square

#657EC9 #C965B0 #C9B065 #65C97E

split-complementary

#657EC9 #C97E65 #B0C965

monochromatic

#2F4485 #3F5BB2 #657EC9 #92A4D9 #C0CAE9

Accessibility & contrast

On white

3.90

#657EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#657EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC9

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC9	#FFFFFF	#000000	##000000
##657EC9	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CC

Deuteranopia (green-blind)

#577DC7

Tritanopia (blue-blind)

#3A8E9A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657ec9;
/* rgb */ color: rgb(101, 126, 201);
/* oklch */ color: oklch(60.7% 0.118 268.8);

Tailwind

colors: {
  custom: {
    50: '#96a3da',
    500: '#657ec9',
    950: '#000000',
  },
}

SCSS

$custom: #657ec9;
$custom-light: #96a3da;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec9",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 201
  },
  "hsl": {
    "h": 225,
    "s": 48.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60695,
    "c": 0.11803,
    "h": 268.8
  },
  "luminance": 0.21905
}

Semantic roles & 50–950 ramp

primary

#657EC9

secondary

#D8CFB1

accent

#B650D8

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657EC9

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

Preview Lab → · Contrast checker → · Palette generator →