#657DD7#657DD7

#657DD7 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.3% C 0.139 H 270.6°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#657DD7
RGB	rgb(101, 125, 215)
HSL	hsl(227, 59%, 62%)
HSV	hsv(227, 53%, 84%)
CMYK	cmyk(53%, 41.9%, 0%, 15.7%)
CIE-LAB	lab(54.38, 16.82, -48.99)
CIE-LCH	lch(54.38, 51.80, 288.95°)
OKLab	oklab(61.29% 0.0015 -0.139)
OKLCH	oklch(61.29% 0.139 270.6)
XYZ	xyz(24.9622, 22.3385, 67.2732)
Luminance	0.2234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DD7 #D7BF65

analogous

#65B6D7 #657DD7 #8665D7

triadic

#657DD7 #D7657D #7DD765

tetradic

#657DD7 #D765B6 #D7BF65 #65D786

square

#657DD7 #D765B6 #D7BF65 #65D786

split-complementary

#657DD7 #D78665 #B6D765

monochromatic

#28409A #3554CA #657DD7 #96A6E4 #C6CFF0

Accessibility & contrast

On white

3.84

#657DD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#657DD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DD7

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DD7	#FFFFFF	#000000	##000000
##657DD7	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5887DA

Deuteranopia (green-blind)

#4A7DD5

Tritanopia (blue-blind)

#2D909F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657dd7;
/* rgb */ color: rgb(101, 125, 215);
/* oklch */ color: oklch(61.3% 0.139 270.6);

Tailwind

colors: {
  custom: {
    50: '#98a2e4',
    500: '#657dd7',
    950: '#000000',
  },
}

SCSS

$custom: #657dd7;
$custom-light: #98a2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#657dd7",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 215
  },
  "hsl": {
    "h": 227.368,
    "s": 58.763,
    "l": 61.961
  },
  "oklch": {
    "l": 0.61286,
    "c": 0.13906,
    "h": 270.6
  },
  "luminance": 0.2234
}

Semantic roles & 50–950 ramp

primary

#657DD7

secondary

#E1D8B7

accent

#A31FC6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F15

muted

#7E7E84

Preview Lab

Preview with #657DD7

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

Preview Lab → · Contrast checker → · Palette generator →