#657EC4#657EC4

#657EC4 is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.4% C 0.111 H 268.1°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#657EC4
RGB	rgb(101, 126, 196)
HSL	hsl(224, 45%, 58%)
HSV	hsv(224, 48%, 77%)
CMYK	cmyk(48.5%, 35.7%, 0%, 23.1%)
CIE-LAB	lab(53.68, 10.28, -39.34)
CIE-LCH	lch(53.68, 40.66, 284.65°)
OKLab	oklab(60.42% -0.0037 -0.1108)
OKLCH	oklch(60.42% 0.111 268.1)
XYZ	xyz(22.7883, 21.6725, 55.1963)
Luminance	0.2167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EC4 #C4AB65

analogous

#65ADC4 #657EC4 #7B65C4

triadic

#657EC4 #C4657E #7EC465

tetradic

#657EC4 #C465AD #C4AB65 #65C47B

square

#657EC4 #C465AD #C4AB65 #65C47B

split-complementary

#657EC4 #C47B65 #ADC465

monochromatic

#30457E #415DAA #657EC4 #91A3D5 #BDC8E6

Accessibility & contrast

On white

3.94

#657EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#657EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EC4

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EC4	#FFFFFF	#000000	##000000
##657EC4	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6485C7

Deuteranopia (green-blind)

#5A7CC2

Tritanopia (blue-blind)

#3E8D98

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ec4;
/* rgb */ color: rgb(101, 126, 196);
/* oklch */ color: oklch(60.4% 0.111 268.1);

Tailwind

colors: {
  custom: {
    50: '#96a3d6',
    500: '#657ec4',
    950: '#000000',
  },
}

SCSS

$custom: #657ec4;
$custom-light: #96a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#657ec4",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 196
  },
  "hsl": {
    "h": 224.211,
    "s": 44.601,
    "l": 58.235
  },
  "oklch": {
    "l": 0.60423,
    "c": 0.1109,
    "h": 268.1
  },
  "luminance": 0.21674
}

Semantic roles & 50–950 ramp

primary

#657EC4

secondary

#D5CBAF

accent

#B253D4

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #657EC4

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

Preview Lab → · Contrast checker → · Palette generator →