#657FDA#657FDA

#657FDA is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.9% C 0.141 H 269.9°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#657FDA
RGB	rgb(101, 127, 218)
HSL	hsl(227, 61%, 63%)
HSV	hsv(227, 54%, 85%)
CMYK	cmyk(53.7%, 41.7%, 0%, 14.5%)
CIE-LAB	lab(55.08, 16.56, -49.58)
CIE-LCH	lch(55.08, 52.27, 288.47°)
OKLab	oklab(61.87% -0.0002 -0.1407)
OKLCH	oklch(61.87% 0.141 269.9)
XYZ	xyz(25.6069, 23.0056, 69.4072)
Luminance	0.2301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FDA #DAC065

analogous

#65B9DA #657FDA #8665DA

triadic

#657FDA #DA657F #7FDA65

tetradic

#657FDA #DA65B9 #DAC065 #65DA86

square

#657FDA #DA65B9 #DAC065 #65DA86

split-complementary

#657FDA #DA8665 #B9DA65

monochromatic

#26419F #3456CE #657FDA #96A8E6 #C8D1F2

Accessibility & contrast

On white

3.75

#657FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#657FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FDA

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FDA	#FFFFFF	#000000	##000000
##657FDA	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5989DE

Deuteranopia (green-blind)

#4B7FD8

Tritanopia (blue-blind)

#2993A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657fda;
/* rgb */ color: rgb(101, 127, 218);
/* oklch */ color: oklch(61.9% 0.141 269.9);

Tailwind

colors: {
  custom: {
    50: '#98a3e6',
    500: '#657fda',
    950: '#000000',
  },
}

SCSS

$custom: #657fda;
$custom-light: #98a3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#657fda",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 218
  },
  "hsl": {
    "h": 226.667,
    "s": 61.257,
    "l": 62.549
  },
  "oklch": {
    "l": 0.6187,
    "c": 0.14075,
    "h": 269.9
  },
  "luminance": 0.23007
}

Semantic roles & 50–950 ramp

primary

#657FDA

secondary

#E3D9B8

accent

#A31DC9

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #657FDA

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

Preview Lab → · Contrast checker → · Palette generator →