#657CCD#657CCD

#657CCD is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.5% C 0.126 H 270.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#657CCD
RGB	rgb(101, 124, 205)
HSL	hsl(227, 51%, 60%)
HSV	hsv(227, 51%, 80%)
CMYK	cmyk(50.7%, 39.5%, 0%, 19.6%)
CIE-LAB	lab(53.59, 14.28, -44.60)
CIE-LCH	lch(53.59, 46.83, 287.75°)
OKLab	oklab(60.5% 0.0007 -0.1262)
OKLCH	oklch(60.5% 0.126 270.3)
XYZ	xyz(23.5904, 21.5882, 60.6696)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CCD #CDB665

analogous

#65B0CD #657CCD #8265CD

triadic

#657CCD #CD657C #7CCD65

tetradic

#657CCD #CD65B0 #CDB665 #65CD82

square

#657CCD #CD65B0 #CDB665 #65CD82

split-complementary

#657CCD #CD8265 #B0CD65

monochromatic

#2D428B #3C58B9 #657CCD #93A3DC #C1CBEB

Accessibility & contrast

On white

3.95

#657CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#657CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CCD

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CCD	#FFFFFF	#000000	##000000
##657CCD	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C85D0

Deuteranopia (green-blind)

#517CCB

Tritanopia (blue-blind)

#378D9B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ccd;
/* rgb */ color: rgb(101, 124, 205);
/* oklch */ color: oklch(60.5% 0.126 270.3);

Tailwind

colors: {
  custom: {
    50: '#97a1dc',
    500: '#657ccd',
    950: '#000000',
  },
}

SCSS

$custom: #657ccd;
$custom-light: #97a1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#657ccd",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 205
  },
  "hsl": {
    "h": 226.731,
    "s": 50.98,
    "l": 60
  },
  "oklch": {
    "l": 0.60501,
    "c": 0.1262,
    "h": 270.3
  },
  "luminance": 0.2159
}

Semantic roles & 50–950 ramp

primary

#657CCD

secondary

#DBD2B3

accent

#BB4DDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657CCD

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

Preview Lab → · Contrast checker → · Palette generator →