#657CD5#657CD5

#657CD5 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.0% C 0.138 H 270.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#657CD5
RGB	rgb(101, 124, 213)
HSL	hsl(228, 57%, 62%)
HSV	hsv(228, 53%, 84%)
CMYK	cmyk(52.6%, 41.8%, 0%, 16.5%)
CIE-LAB	lab(54.01, 16.79, -48.46)
CIE-LCH	lch(54.01, 51.28, 289.11°)
OKLab	oklab(60.96% 0.0022 -0.1375)
OKLCH	oklch(60.96% 0.138 270.9)
XYZ	xyz(24.5808, 21.9844, 65.8860)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CD5 #D5BE65

analogous

#65B4D5 #657CD5 #8665D5

triadic

#657CD5 #D5657C #7CD565

tetradic

#657CD5 #D565B4 #D5BE65 #65D586

square

#657CD5 #D565B4 #D5BE65 #65D586

split-complementary

#657CD5 #D58665 #B4D565

monochromatic

#294097 #3654C7 #657CD5 #95A5E2 #C5CEEF

Accessibility & contrast

On white

3.89

#657CD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#657CD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CD5

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CD5	#FFFFFF	#000000	##000000
##657CD5	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5786D8

Deuteranopia (green-blind)

#4B7DD3

Tritanopia (blue-blind)

#2F8F9E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657cd5;
/* rgb */ color: rgb(101, 124, 213);
/* oklch */ color: oklch(61.0% 0.138 270.9);

Tailwind

colors: {
  custom: {
    50: '#98a1e2',
    500: '#657cd5',
    950: '#000000',
  },
}

SCSS

$custom: #657cd5;
$custom-light: #98a1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#657cd5",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 213
  },
  "hsl": {
    "h": 227.679,
    "s": 57.143,
    "l": 61.569
  },
  "oklch": {
    "l": 0.60964,
    "c": 0.13751,
    "h": 270.9
  },
  "luminance": 0.21986
}

Semantic roles & 50–950 ramp

primary

#657CD5

secondary

#E0D7B6

accent

#A321C5

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657CD5

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

Preview Lab → · Contrast checker → · Palette generator →