#657BCE#657BCE

#657BCE is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.4% C 0.129 H 270.9°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#657BCE
RGB	rgb(101, 123, 206)
HSL	hsl(227, 52%, 60%)
HSV	hsv(227, 51%, 81%)
CMYK	cmyk(51%, 40.3%, 0%, 19.2%)
CIE-LAB	lab(53.37, 15.19, -45.51)
CIE-LCH	lch(53.37, 47.98, 288.46°)
OKLab	oklab(60.35% 0.0021 -0.1289)
OKLCH	oklch(60.35% 0.129 270.9)
XYZ	xyz(23.5868, 21.3873, 61.2658)
Luminance	0.2139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BCE #CEB865

analogous

#65AFCE #657BCE #8465CE

triadic

#657BCE #CE657B #7BCE65

tetradic

#657BCE #CE65AF #CEB865 #65CE84

square

#657BCE #CE65AF #CEB865 #65CE84

split-complementary

#657BCE #CE8465 #AFCE65

monochromatic

#2D418C #3B56BA #657BCE #93A3DD #C2CBEC

Accessibility & contrast

On white

3.98

#657BCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#657BCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BCE

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BCE	#FFFFFF	#000000	##000000
##657BCE	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A84D1

Deuteranopia (green-blind)

#4F7BCC

Tritanopia (blue-blind)

#378D9A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657bce;
/* rgb */ color: rgb(101, 123, 206);
/* oklch */ color: oklch(60.4% 0.129 270.9);

Tailwind

colors: {
  custom: {
    50: '#97a0dd',
    500: '#657bce',
    950: '#000000',
  },
}

SCSS

$custom: #657bce;
$custom-light: #97a0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#657bce",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 206
  },
  "hsl": {
    "h": 227.429,
    "s": 51.724,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60352,
    "c": 0.12889,
    "h": 270.9
  },
  "luminance": 0.21389
}

Semantic roles & 50–950 ramp

primary

#657BCE

secondary

#DCD3B3

accent

#9F26BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BCE

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

Preview Lab → · Contrast checker → · Palette generator →