#657BC4#657BC4

#657BC4 is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.8% C 0.115 H 270.0°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#657BC4
RGB	rgb(101, 123, 196)
HSL	hsl(226, 45%, 58%)
HSV	hsv(226, 48%, 77%)
CMYK	cmyk(48.5%, 37.2%, 0%, 23.1%)
CIE-LAB	lab(52.86, 12.09, -40.63)
CIE-LCH	lch(52.86, 42.39, 286.57°)
OKLab	oklab(59.79% 0 -0.1146)
OKLCH	oklch(59.79% 0.115 270)
XYZ	xyz(22.4104, 20.9168, 55.0703)
Luminance	0.2092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BC4 #C4AE65

analogous

#65AAC4 #657BC4 #7E65C4

triadic

#657BC4 #C4657B #7BC465

tetradic

#657BC4 #C465AA #C4AE65 #65C47E

square

#657BC4 #C465AA #C4AE65 #65C47E

split-complementary

#657BC4 #C47E65 #AAC465

monochromatic

#30427E #415AAA #657BC4 #91A1D5 #BDC7E6

Accessibility & contrast

On white

4.05

#657BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#657BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BC4

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BC4	#FFFFFF	#000000	##000000
##657BC4	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C7

Deuteranopia (green-blind)

#567AC2

Tritanopia (blue-blind)

#3F8A96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657bc4;
/* rgb */ color: rgb(101, 123, 196);
/* oklch */ color: oklch(59.8% 0.115 270.0);

Tailwind

colors: {
  custom: {
    50: '#96a0d6',
    500: '#657bc4',
    950: '#000000',
  },
}

SCSS

$custom: #657bc4;
$custom-light: #96a0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#657bc4",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 196
  },
  "hsl": {
    "h": 226.105,
    "s": 44.601,
    "l": 58.235
  },
  "oklch": {
    "l": 0.5979,
    "c": 0.11462,
    "h": 270
  },
  "luminance": 0.20918
}

Semantic roles & 50–950 ramp

primary

#657BC4

secondary

#D5CDAF

accent

#B653D4

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #657BC4

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

Preview Lab → · Contrast checker → · Palette generator →