#657DDA#657DDA

#657DDA is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.5% C 0.143 H 270.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#657DDA
RGB	rgb(101, 125, 218)
HSL	hsl(228, 61%, 63%)
HSV	hsv(228, 54%, 85%)
CMYK	cmyk(53.7%, 42.7%, 0%, 14.5%)
CIE-LAB	lab(54.55, 17.77, -50.42)
CIE-LCH	lch(54.55, 53.46, 289.41°)
OKLab	oklab(61.46% 0.002 -0.1432)
OKLCH	oklch(61.46% 0.143 270.8)
XYZ	xyz(25.3512, 22.4941, 69.3220)
Luminance	0.2250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DDA #DAC265

analogous

#65B8DA #657DDA #8765DA

triadic

#657DDA #DA657D #7DDA65

tetradic

#657DDA #DA65B8 #DAC265 #65DA87

square

#657DDA #DA65B8 #DAC265 #65DA87

split-complementary

#657DDA #DA8765 #B8DA65

monochromatic

#263F9F #3453CE #657DDA #96A7E6 #C8D0F2

Accessibility & contrast

On white

3.82

#657DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#657DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DDA

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DDA	#FFFFFF	#000000	##000000
##657DDA	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DE

Deuteranopia (green-blind)

#487ED8

Tritanopia (blue-blind)

#2991A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657dda;
/* rgb */ color: rgb(101, 125, 218);
/* oklch */ color: oklch(61.5% 0.143 270.8);

Tailwind

colors: {
  custom: {
    50: '#99a2e6',
    500: '#657dda',
    950: '#000000',
  },
}

SCSS

$custom: #657dda;
$custom-light: #99a2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#657dda",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 218
  },
  "hsl": {
    "h": 227.692,
    "s": 61.257,
    "l": 62.549
  },
  "oklch": {
    "l": 0.61464,
    "c": 0.14325,
    "h": 270.8
  },
  "luminance": 0.22496
}

Semantic roles & 50–950 ramp

primary

#657DDA

secondary

#E3DAB8

accent

#A61DC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #657DDA

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

Preview Lab → · Contrast checker → · Palette generator →