#657AC3#657AC3

#657AC3 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.5% C 0.114 H 270.5°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#657AC3
RGB	rgb(101, 122, 195)
HSL	hsl(227, 44%, 58%)
HSV	hsv(227, 48%, 76%)
CMYK	cmyk(48.2%, 37.4%, 0%, 23.5%)
CIE-LAB	lab(52.54, 12.39, -40.56)
CIE-LCH	lch(52.54, 42.41, 286.98°)
OKLab	oklab(59.52% 0.001 -0.1144)
OKLCH	oklch(59.52% 0.114 270.5)
XYZ	xyz(22.1735, 20.6246, 54.4317)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AC3 #C3AE65

analogous

#65A9C3 #657AC3 #7F65C3

triadic

#657AC3 #C3657A #7AC365

tetradic

#657AC3 #C365A9 #C3AE65 #65C37F

square

#657AC3 #C365A9 #C3AE65 #65C37F

split-complementary

#657AC3 #C37F65 #A9C365

monochromatic

#31427D #4259A9 #657AC3 #91A0D4 #BDC6E5

Accessibility & contrast

On white

4.10

#657AC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#657AC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AC3

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AC3	#FFFFFF	#000000	##000000
##657AC3	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C6

Deuteranopia (green-blind)

#557AC1

Tritanopia (blue-blind)

#408995

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657ac3;
/* rgb */ color: rgb(101, 122, 195);
/* oklch */ color: oklch(59.5% 0.114 270.5);

Tailwind

colors: {
  custom: {
    50: '#96a0d5',
    500: '#657ac3',
    950: '#000000',
  },
}

SCSS

$custom: #657ac3;
$custom-light: #96a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#657ac3",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 195
  },
  "hsl": {
    "h": 226.596,
    "s": 43.925,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59525,
    "c": 0.11444,
    "h": 270.5
  },
  "luminance": 0.20626
}

Semantic roles & 50–950 ramp

primary

#657AC3

secondary

#D5CCAF

accent

#B754D4

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657AC3

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

Preview Lab → · Contrast checker → · Palette generator →