#657BDA#657BDA

#657BDA is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.1% C 0.146 H 271.7°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#657BDA
RGB	rgb(101, 123, 218)
HSL	hsl(229, 61%, 63%)
HSV	hsv(229, 54%, 85%)
CMYK	cmyk(53.7%, 43.6%, 0%, 14.5%)
CIE-LAB	lab(54.02, 18.98, -51.26)
CIE-LCH	lch(54.02, 54.66, 290.32°)
OKLab	oklab(61.06% 0.0042 -0.1457)
OKLCH	oklch(61.06% 0.146 271.7)
XYZ	xyz(25.1006, 21.9928, 69.2384)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BDA #DAC465

analogous

#65B6DA #657BDA #8965DA

triadic

#657BDA #DA657B #7BDA65

tetradic

#657BDA #DA65B6 #DAC465 #65DA89

square

#657BDA #DA65B6 #DAC465 #65DA89

split-complementary

#657BDA #DA8965 #B6DA65

monochromatic

#263D9F #3451CE #657BDA #96A5E6 #C8D0F2

Accessibility & contrast

On white

3.89

#657BDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#657BDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BDA

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BDA	#FFFFFF	#000000	##000000
##657BDA	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5286DE

Deuteranopia (green-blind)

#447CD8

Tritanopia (blue-blind)

#2A90A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657bda;
/* rgb */ color: rgb(101, 123, 218);
/* oklch */ color: oklch(61.1% 0.146 271.7);

Tailwind

colors: {
  custom: {
    50: '#99a0e6',
    500: '#657bda',
    950: '#000000',
  },
}

SCSS

$custom: #657bda;
$custom-light: #99a0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#657bda",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 218
  },
  "hsl": {
    "h": 228.718,
    "s": 61.257,
    "l": 62.549
  },
  "oklch": {
    "l": 0.6106,
    "c": 0.14579,
    "h": 271.7
  },
  "luminance": 0.21995
}

Semantic roles & 50–950 ramp

primary

#657BDA

secondary

#E3DBB8

accent

#A91DC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #657BDA

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

Preview Lab → · Contrast checker → · Palette generator →