#657DD3#657DD3

#657DD3 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.1% C 0.133 H 270.3°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#657DD3
RGB	rgb(101, 125, 211)
HSL	hsl(227, 56%, 61%)
HSV	hsv(227, 52%, 83%)
CMYK	cmyk(52.1%, 40.8%, 0%, 17.3%)
CIE-LAB	lab(54.17, 15.55, -47.07)
CIE-LCH	lch(54.17, 49.58, 288.28°)
OKLab	oklab(61.05% 0.0007 -0.1334)
OKLCH	oklch(61.05% 0.133 270.3)
XYZ	xyz(24.4545, 22.1354, 64.5993)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DD3 #D3BB65

analogous

#65B4D3 #657DD3 #8465D3

triadic

#657DD3 #D3657D #7DD365

tetradic

#657DD3 #D365B4 #D3BB65 #65D384

square

#657DD3 #D365B4 #D3BB65 #65D384

split-complementary

#657DD3 #D38465 #B4D365

monochromatic

#2A4193 #3856C3 #657DD3 #95A5E1 #C4CDEE

Accessibility & contrast

On white

3.87

#657DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#657DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DD3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DD3	#FFFFFF	#000000	##000000
##657DD3	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A87D6

Deuteranopia (green-blind)

#4E7DD1

Tritanopia (blue-blind)

#31909E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657dd3;
/* rgb */ color: rgb(101, 125, 211);
/* oklch */ color: oklch(61.1% 0.133 270.3);

Tailwind

colors: {
  custom: {
    50: '#98a2e1',
    500: '#657dd3',
    950: '#000000',
  },
}

SCSS

$custom: #657dd3;
$custom-light: #98a2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#657dd3",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 211
  },
  "hsl": {
    "h": 226.909,
    "s": 55.556,
    "l": 61.176
  },
  "oklch": {
    "l": 0.61052,
    "c": 0.13343,
    "h": 270.3
  },
  "luminance": 0.22137
}

Semantic roles & 50–950 ramp

primary

#657DD3

secondary

#DFD6B5

accent

#A022C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #657DD3

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

Preview Lab → · Contrast checker → · Palette generator →