#657CC3#657CC3

#657CC3 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.9% C 0.112 H 269.2°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#657CC3
RGB	rgb(101, 124, 195)
HSL	hsl(225, 44%, 58%)
HSV	hsv(225, 48%, 76%)
CMYK	cmyk(48.2%, 36.4%, 0%, 23.5%)
CIE-LAB	lab(53.08, 11.18, -39.70)
CIE-LCH	lch(53.08, 41.25, 285.72°)
OKLab	oklab(59.95% -0.0015 -0.1119)
OKLCH	oklch(59.95% 0.112 269.2)
XYZ	xyz(22.4216, 21.1208, 54.5144)
Luminance	0.2112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CC3 #C3AC65

analogous

#65ABC3 #657CC3 #7D65C3

triadic

#657CC3 #C3657C #7CC365

tetradic

#657CC3 #C365AB #C3AC65 #65C37D

square

#657CC3 #C365AB #C3AC65 #65C37D

split-complementary

#657CC3 #C37D65 #ABC365

monochromatic

#31437D #425BA9 #657CC3 #91A1D4 #BDC7E5

Accessibility & contrast

On white

4.02

#657CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#657CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CC3

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CC3	#FFFFFF	#000000	##000000
##657CC3	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)

#6183C6

Deuteranopia (green-blind)

#587BC1

Tritanopia (blue-blind)

#3F8B96

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #657cc3;
/* rgb */ color: rgb(101, 124, 195);
/* oklch */ color: oklch(59.9% 0.112 269.2);

Tailwind

colors: {
  custom: {
    50: '#96a1d5',
    500: '#657cc3',
    950: '#000000',
  },
}

SCSS

$custom: #657cc3;
$custom-light: #96a1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#657cc3",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 195
  },
  "hsl": {
    "h": 225.319,
    "s": 43.925,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59946,
    "c": 0.11194,
    "h": 269.2
  },
  "luminance": 0.21122
}

Semantic roles & 50–950 ramp

primary

#657CC3

secondary

#D5CBAF

accent

#B454D4

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657CC3

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

Preview Lab → · Contrast checker → · Palette generator →