#657DD5#657DD5

#657DD5 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.2% C 0.136 H 270.5°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#657DD5
RGB	rgb(101, 125, 213)
HSL	hsl(227, 57%, 62%)
HSV	hsv(227, 53%, 84%)
CMYK	cmyk(52.6%, 41.3%, 0%, 16.5%)
CIE-LAB	lab(54.28, 16.18, -48.03)
CIE-LCH	lch(54.28, 50.69, 288.62°)
OKLab	oklab(61.17% 0.0011 -0.1362)
OKLCH	oklch(61.17% 0.136 270.5)
XYZ	xyz(24.7068, 22.2363, 65.9280)
Luminance	0.2224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DD5 #D5BD65

analogous

#65B5D5 #657DD5 #8565D5

triadic

#657DD5 #D5657D #7DD565

tetradic

#657DD5 #D565B5 #D5BD65 #65D585

square

#657DD5 #D565B5 #D5BD65 #65D585

split-complementary

#657DD5 #D58565 #B5D565

monochromatic

#294197 #3655C7 #657DD5 #95A6E2 #C5CEEF

Accessibility & contrast

On white

3.85

#657DD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#657DD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DD5

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DD5	#FFFFFF	#000000	##000000
##657DD5	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5987D8

Deuteranopia (green-blind)

#4C7DD3

Tritanopia (blue-blind)

#2F909F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657dd5;
/* rgb */ color: rgb(101, 125, 213);
/* oklch */ color: oklch(61.2% 0.136 270.5);

Tailwind

colors: {
  custom: {
    50: '#98a2e2',
    500: '#657dd5',
    950: '#000000',
  },
}

SCSS

$custom: #657dd5;
$custom-light: #98a2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#657dd5",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 213
  },
  "hsl": {
    "h": 227.143,
    "s": 57.143,
    "l": 61.569
  },
  "oklch": {
    "l": 0.61168,
    "c": 0.13624,
    "h": 270.5
  },
  "luminance": 0.22238
}

Semantic roles & 50–950 ramp

primary

#657DD5

secondary

#E0D7B6

accent

#A221C5

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #657DD5

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

Preview Lab → · Contrast checker → · Palette generator →