#657BC3#657BC3

#657BC3 is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.7% C 0.113 H 269.9°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#657BC3
RGB	rgb(101, 123, 195)
HSL	hsl(226, 44%, 58%)
HSV	hsv(226, 48%, 76%)
CMYK	cmyk(48.2%, 36.9%, 0%, 23.5%)
CIE-LAB	lab(52.81, 11.78, -40.14)
CIE-LCH	lch(52.81, 41.83, 286.36°)
OKLab	oklab(59.74% -0.0003 -0.1132)
OKLCH	oklch(59.74% 0.113 269.9)
XYZ	xyz(22.2970, 20.8714, 54.4729)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BC3 #C3AD65

analogous

#65AAC3 #657BC3 #7E65C3

triadic

#657BC3 #C3657B #7BC365

tetradic

#657BC3 #C365AA #C3AD65 #65C37E

square

#657BC3 #C365AA #C3AD65 #65C37E

split-complementary

#657BC3 #C37E65 #AAC365

monochromatic

#31437D #425AA9 #657BC3 #91A1D4 #BDC6E5

Accessibility & contrast

On white

4.06

#657BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#657BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BC3

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BC3	#FFFFFF	#000000	##000000
##657BC3	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6082C6

Deuteranopia (green-blind)

#567AC1

Tritanopia (blue-blind)

#408A96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657bc3;
/* rgb */ color: rgb(101, 123, 195);
/* oklch */ color: oklch(59.7% 0.113 269.9);

Tailwind

colors: {
  custom: {
    50: '#96a0d5',
    500: '#657bc3',
    950: '#000000',
  },
}

SCSS

$custom: #657bc3;
$custom-light: #96a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#657bc3",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 195
  },
  "hsl": {
    "h": 225.957,
    "s": 43.925,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59735,
    "c": 0.11319,
    "h": 269.9
  },
  "luminance": 0.20873
}

Semantic roles & 50–950 ramp

primary

#657BC3

secondary

#D5CCAF

accent

#B654D4

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657BC3

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

Preview Lab → · Contrast checker → · Palette generator →