#657FD9#657FD9

#657FD9 is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.8% C 0.139 H 269.8°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#657FD9
RGB	rgb(101, 127, 217)
HSL	hsl(227, 60%, 62%)
HSV	hsv(227, 53%, 85%)
CMYK	cmyk(53.5%, 41.5%, 0%, 14.9%)
CIE-LAB	lab(55.02, 16.24, -49.10)
CIE-LCH	lch(55.02, 51.72, 288.30°)
OKLab	oklab(61.81% -0.0004 -0.1393)
OKLCH	oklch(61.81% 0.139 269.8)
XYZ	xyz(25.4765, 22.9534, 68.7201)
Luminance	0.2296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FD9 #D9BF65

analogous

#65B9D9 #657FD9 #8565D9

triadic

#657FD9 #D9657F #7FD965

tetradic

#657FD9 #D965B9 #D9BF65 #65D985

square

#657FD9 #D965B9 #D9BF65 #65D985

split-complementary

#657FD9 #D98565 #B9D965

monochromatic

#27419D #3456CD #657FD9 #96A8E5 #C7D1F1

Accessibility & contrast

On white

3.76

#657FD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#657FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FD9

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FD9	#FFFFFF	#000000	##000000
##657FD9	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5989DC

Deuteranopia (green-blind)

#4C7FD7

Tritanopia (blue-blind)

#2A93A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657fd9;
/* rgb */ color: rgb(101, 127, 217);
/* oklch */ color: oklch(61.8% 0.139 269.8);

Tailwind

colors: {
  custom: {
    50: '#98a3e5',
    500: '#657fd9',
    950: '#000000',
  },
}

SCSS

$custom: #657fd9;
$custom-light: #98a3e5;
$custom-dark: #000000;

JSON

{
  "hex": "#657fd9",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 217
  },
  "hsl": {
    "h": 226.552,
    "s": 60.417,
    "l": 62.353
  },
  "oklch": {
    "l": 0.61812,
    "c": 0.13935,
    "h": 269.8
  },
  "luminance": 0.22955
}

Semantic roles & 50–950 ramp

primary

#657FD9

secondary

#E2D9B8

accent

#A21DC8

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #657FD9

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

Preview Lab → · Contrast checker → · Palette generator →