#657DD4#657DD4

#657DD4 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.1% C 0.135 H 270.4°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#657DD4
RGB	rgb(101, 125, 212)
HSL	hsl(227, 56%, 61%)
HSV	hsv(227, 52%, 83%)
CMYK	cmyk(52.4%, 41%, 0%, 16.9%)
CIE-LAB	lab(54.22, 15.87, -47.55)
CIE-LCH	lch(54.22, 50.13, 288.45°)
OKLab	oklab(61.11% 0.0009 -0.1348)
OKLCH	oklch(61.11% 0.135 270.4)
XYZ	xyz(24.5802, 22.1857, 65.2616)
Luminance	0.2219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DD4 #D4BC65

analogous

#65B5D4 #657DD4 #8565D4

triadic

#657DD4 #D4657D #7DD465

tetradic

#657DD4 #D465B5 #D4BC65 #65D485

square

#657DD4 #D465B5 #D4BC65 #65D485

split-complementary

#657DD4 #D48565 #B5D465

monochromatic

#2A4195 #3756C5 #657DD4 #95A5E1 #C5CEEF

Accessibility & contrast

On white

3.86

#657DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#657DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DD4

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DD4	#FFFFFF	#000000	##000000
##657DD4	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5987D7

Deuteranopia (green-blind)

#4D7DD2

Tritanopia (blue-blind)

#30909E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657dd4;
/* rgb */ color: rgb(101, 125, 212);
/* oklch */ color: oklch(61.1% 0.135 270.4);

Tailwind

colors: {
  custom: {
    50: '#98a2e1',
    500: '#657dd4',
    950: '#000000',
  },
}

SCSS

$custom: #657dd4;
$custom-light: #98a2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#657dd4",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 212
  },
  "hsl": {
    "h": 227.027,
    "s": 56.345,
    "l": 61.373
  },
  "oklch": {
    "l": 0.6111,
    "c": 0.13484,
    "h": 270.4
  },
  "luminance": 0.22187
}

Semantic roles & 50–950 ramp

primary

#657DD4

secondary

#DFD6B6

accent

#A122C4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #657DD4

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

Preview Lab → · Contrast checker → · Palette generator →