#657FC9#657FC9

#657FC9 is a mid, moderate blue. Relative luminance 0.222; OKLCH L 60.9% C 0.117 H 268.2°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#657FC9
RGB	rgb(101, 127, 201)
HSL	hsl(224, 48%, 59%)
HSV	hsv(224, 50%, 79%)
CMYK	cmyk(49.8%, 36.8%, 0%, 21.2%)
CIE-LAB	lab(54.20, 11.22, -41.36)
CIE-LCH	lch(54.20, 42.86, 285.18°)
OKLab	oklab(60.91% -0.0037 -0.1167)
OKLCH	oklch(60.91% 0.117 268.2)
XYZ	xyz(23.4954, 22.1610, 58.2864)
Luminance	0.2216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FC9 #C9AF65

analogous

#65B1C9 #657FC9 #7D65C9

triadic

#657FC9 #C9657F #7FC965

tetradic

#657FC9 #C965B1 #C9AF65 #65C97D

square

#657FC9 #C965B1 #C9AF65 #65C97D

split-complementary

#657FC9 #C97D65 #B1C965

monochromatic

#2F4585 #3F5DB2 #657FC9 #92A5D9 #C0CAE9

Accessibility & contrast

On white

3.87

#657FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#657FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FC9

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FC9	#FFFFFF	#000000	##000000
##657FC9	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6386CC

Deuteranopia (green-blind)

#587EC7

Tritanopia (blue-blind)

#3A8F9A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657fc9;
/* rgb */ color: rgb(101, 127, 201);
/* oklch */ color: oklch(60.9% 0.117 268.2);

Tailwind

colors: {
  custom: {
    50: '#96a3da',
    500: '#657fc9',
    950: '#000000',
  },
}

SCSS

$custom: #657fc9;
$custom-light: #96a3da;
$custom-dark: #000000;

JSON

{
  "hex": "#657fc9",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 201
  },
  "hsl": {
    "h": 224.4,
    "s": 48.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60905,
    "c": 0.1168,
    "h": 268.2
  },
  "luminance": 0.22162
}

Semantic roles & 50–950 ramp

primary

#657FC9

secondary

#D8CEB1

accent

#B450D8

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #657FC9

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

Preview Lab → · Contrast checker → · Palette generator →