#657DC6#657DC6

#657DC6 is a mid, moderate blue. Relative luminance 0.215; OKLCH L 60.3% C 0.115 H 269.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#657DC6
RGB	rgb(101, 125, 198)
HSL	hsl(225, 46%, 59%)
HSV	hsv(225, 49%, 78%)
CMYK	cmyk(49%, 36.9%, 0%, 22.4%)
CIE-LAB	lab(53.50, 11.50, -40.75)
CIE-LCH	lch(53.50, 42.34, 285.76°)
OKLab	oklab(60.32% -0.002 -0.115)
OKLCH	oklch(60.32% 0.115 269)
XYZ	xyz(22.8902, 21.5097, 56.3607)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DC6 #C6AE65

analogous

#65ADC6 #657DC6 #7D65C6

triadic

#657DC6 #C6657D #7DC665

tetradic

#657DC6 #C665AD #C6AE65 #65C67D

square

#657DC6 #C665AD #C6AE65 #65C67D

split-complementary

#657DC6 #C67D65 #ADC665

monochromatic

#304481 #405BAE #657DC6 #92A3D7 #BEC8E7

Accessibility & contrast

On white

3.96

#657DC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#657DC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DC6

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DC6	#FFFFFF	#000000	##000000
##657DC6	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6184C9

Deuteranopia (green-blind)

#577CC4

Tritanopia (blue-blind)

#3D8C98

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657dc6;
/* rgb */ color: rgb(101, 125, 198);
/* oklch */ color: oklch(60.3% 0.115 269.0);

Tailwind

colors: {
  custom: {
    50: '#96a2d7',
    500: '#657dc6',
    950: '#000000',
  },
}

SCSS

$custom: #657dc6;
$custom-light: #96a2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#657dc6",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 198
  },
  "hsl": {
    "h": 225.155,
    "s": 45.972,
    "l": 58.627
  },
  "oklch": {
    "l": 0.6032,
    "c": 0.11499,
    "h": 269
  },
  "luminance": 0.21511
}

Semantic roles & 50–950 ramp

primary

#657DC6

secondary

#D7CDB0

accent

#B552D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0F14

muted

#7E7E83

Preview Lab

Preview with #657DC6

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

Preview Lab → · Contrast checker → · Palette generator →