#657DD9#657DD9

#657DD9 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.4% C 0.142 H 270.7°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#657DD9
RGB	rgb(101, 125, 217)
HSL	hsl(228, 60%, 62%)
HSV	hsv(228, 53%, 85%)
CMYK	cmyk(53.5%, 42.4%, 0%, 14.9%)
CIE-LAB	lab(54.49, 17.45, -49.95)
CIE-LCH	lch(54.49, 52.91, 289.26°)
OKLab	oklab(61.4% 0.0018 -0.1418)
OKLCH	oklch(61.4% 0.142 270.7)
XYZ	xyz(25.2207, 22.4419, 68.6349)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DD9 #D9C165

analogous

#65B7D9 #657DD9 #8765D9

triadic

#657DD9 #D9657D #7DD965

tetradic

#657DD9 #D965B7 #D9C165 #65D987

square

#657DD9 #D965B7 #D9C165 #65D987

split-complementary

#657DD9 #D98765 #B7D965

monochromatic

#273F9D #3454CD #657DD9 #96A6E5 #C7D0F1

Accessibility & contrast

On white

3.83

#657DD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#657DD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DD9

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DD9	#FFFFFF	#000000	##000000
##657DD9	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DD

Deuteranopia (green-blind)

#497ED7

Tritanopia (blue-blind)

#2A91A0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657dd9;
/* rgb */ color: rgb(101, 125, 217);
/* oklch */ color: oklch(61.4% 0.142 270.7);

Tailwind

colors: {
  custom: {
    50: '#98a2e5',
    500: '#657dd9',
    950: '#000000',
  },
}

SCSS

$custom: #657dd9;
$custom-light: #98a2e5;
$custom-dark: #000000;

JSON

{
  "hex": "#657dd9",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 217
  },
  "hsl": {
    "h": 227.586,
    "s": 60.417,
    "l": 62.353
  },
  "oklch": {
    "l": 0.61404,
    "c": 0.14186,
    "h": 270.7
  },
  "luminance": 0.22444
}

Semantic roles & 50–950 ramp

primary

#657DD9

secondary

#E2D9B8

accent

#A51DC8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #657DD9

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

Preview Lab → · Contrast checker → · Palette generator →