#657BC5#657BC5

#657BC5 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.8% C 0.116 H 270.1°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#657BC5
RGB	rgb(101, 123, 197)
HSL	hsl(226, 45%, 58%)
HSV	hsv(226, 49%, 77%)
CMYK	cmyk(48.7%, 37.6%, 0%, 22.7%)
CIE-LAB	lab(52.91, 12.40, -41.12)
CIE-LCH	lch(52.91, 42.95, 286.78°)
OKLab	oklab(59.85% 0.0002 -0.116)
OKLCH	oklch(59.85% 0.116 270.1)
XYZ	xyz(22.5246, 20.9624, 55.6717)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BC5 #C5AF65

analogous

#65ABC5 #657BC5 #7F65C5

triadic

#657BC5 #C5657B #7BC565

tetradic

#657BC5 #C565AB #C5AF65 #65C57F

square

#657BC5 #C565AB #C5AF65 #65C57F

split-complementary

#657BC5 #C57F65 #ABC565

monochromatic

#304280 #4159AC #657BC5 #91A1D6 #BEC7E6

Accessibility & contrast

On white

4.04

#657BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#657BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BC5

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BC5	#FFFFFF	#000000	##000000
##657BC5	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C8

Deuteranopia (green-blind)

#557AC3

Tritanopia (blue-blind)

#3E8B97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657bc5;
/* rgb */ color: rgb(101, 123, 197);
/* oklch */ color: oklch(59.8% 0.116 270.1);

Tailwind

colors: {
  custom: {
    50: '#96a0d7',
    500: '#657bc5',
    950: '#000000',
  },
}

SCSS

$custom: #657bc5;
$custom-light: #96a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#657bc5",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 197
  },
  "hsl": {
    "h": 226.25,
    "s": 45.283,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59845,
    "c": 0.11605,
    "h": 270.1
  },
  "luminance": 0.20964
}

Semantic roles & 50–950 ramp

primary

#657BC5

secondary

#D6CDB0

accent

#B753D5

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657BC5

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

Preview Lab → · Contrast checker → · Palette generator →