#657ACD#657ACD

#657ACD is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.1% C 0.129 H 271.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#657ACD
RGB	rgb(101, 122, 205)
HSL	hsl(228, 51%, 60%)
HSV	hsv(228, 51%, 80%)
CMYK	cmyk(50.7%, 40.5%, 0%, 19.6%)
CIE-LAB	lab(53.05, 15.49, -45.45)
CIE-LCH	lch(53.05, 48.02, 288.82°)
OKLab	oklab(60.09% 0.0031 -0.1287)
OKLCH	oklch(60.09% 0.129 271.4)
XYZ	xyz(23.3423, 21.0920, 60.5869)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657ACD #CDB865

analogous

#65AECD #657ACD #8465CD

triadic

#657ACD #CD657A #7ACD65

tetradic

#657ACD #CD65AE #CDB865 #65CD84

square

#657ACD #CD65AE #CDB865 #65CD84

split-complementary

#657ACD #CD8465 #AECD65

monochromatic

#2D408B #3C55B9 #657ACD #93A2DC #C1CAEB

Accessibility & contrast

On white

4.02

#657ACD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#657ACD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657ACD

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657ACD	#FFFFFF	#000000	##000000
##657ACD	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5983D0

Deuteranopia (green-blind)

#4E7ACB

Tritanopia (blue-blind)

#388C99

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657acd;
/* rgb */ color: rgb(101, 122, 205);
/* oklch */ color: oklch(60.1% 0.129 271.4);

Tailwind

colors: {
  custom: {
    50: '#97a0dc',
    500: '#657acd',
    950: '#000000',
  },
}

SCSS

$custom: #657acd;
$custom-light: #97a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#657acd",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 205
  },
  "hsl": {
    "h": 227.885,
    "s": 50.98,
    "l": 60
  },
  "oklch": {
    "l": 0.60088,
    "c": 0.12875,
    "h": 271.4
  },
  "luminance": 0.21094
}

Semantic roles & 50–950 ramp

primary

#657ACD

secondary

#DBD3B3

accent

#BE4DDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657ACD

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

Preview Lab → · Contrast checker → · Palette generator →