#657BC1#657BC1

#657BC1 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.6% C 0.110 H 269.6°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#657BC1
RGB	rgb(101, 123, 193)
HSL	hsl(226, 43%, 58%)
HSV	hsv(226, 48%, 76%)
CMYK	cmyk(47.7%, 36.3%, 0%, 24.3%)
CIE-LAB	lab(52.71, 11.17, -39.15)
CIE-LCH	lch(52.71, 40.71, 285.92°)
OKLab	oklab(59.63% -0.0007 -0.1103)
OKLCH	oklch(59.63% 0.11 269.6)
XYZ	xyz(22.0724, 20.7815, 53.2899)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BC1 #C1AB65

analogous

#65A9C1 #657BC1 #7D65C1

triadic

#657BC1 #C1657B #7BC165

tetradic

#657BC1 #C165A9 #C1AB65 #65C17D

square

#657BC1 #C165A9 #C1AB65 #65C17D

split-complementary

#657BC1 #C17D65 #A9C165

monochromatic

#31437A #435BA6 #657BC1 #91A0D3 #BCC6E4

Accessibility & contrast

On white

4.07

#657BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#657BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BC1

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BC1	#FFFFFF	#000000	##000000
##657BC1	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6182C4

Deuteranopia (green-blind)

#587ABF

Tritanopia (blue-blind)

#418A95

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657bc1;
/* rgb */ color: rgb(101, 123, 193);
/* oklch */ color: oklch(59.6% 0.110 269.6);

Tailwind

colors: {
  custom: {
    50: '#96a0d4',
    500: '#657bc1',
    950: '#000000',
  },
}

SCSS

$custom: #657bc1;
$custom-light: #96a0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#657bc1",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 193
  },
  "hsl": {
    "h": 225.652,
    "s": 42.593,
    "l": 57.647
  },
  "oklch": {
    "l": 0.59626,
    "c": 0.11031,
    "h": 269.6
  },
  "luminance": 0.20783
}

Semantic roles & 50–950 ramp

primary

#657BC1

secondary

#D3CBAE

accent

#B455D2

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657BC1

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

Preview Lab → · Contrast checker → · Palette generator →