#657ADA#657ADA

#657ADA is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.9% C 0.147 H 272.1°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#657ADA
RGB	rgb(101, 122, 218)
HSL	hsl(229, 61%, 63%)
HSV	hsv(229, 54%, 85%)
CMYK	cmyk(53.7%, 44%, 0%, 14.5%)
CIE-LAB	lab(53.76, 19.59, -51.68)
CIE-LCH	lch(53.76, 55.27, 290.76°)
OKLab	oklab(60.86% 0.0054 -0.147)
OKLCH	oklch(60.86% 0.147 272.1)
XYZ	xyz(24.9771, 21.7460, 69.1973)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657ADA #DAC565

analogous

#65B4DA #657ADA #8B65DA

triadic

#657ADA #DA657A #7ADA65

tetradic

#657ADA #DA65B4 #DAC565 #65DA8B

square

#657ADA #DA65B4 #DAC565 #65DA8B

split-complementary

#657ADA #DA8B65 #B4DA65

monochromatic

#263C9F #344FCE #657ADA #96A5E6 #C8CFF2

Accessibility & contrast

On white

3.93

#657ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#657ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657ADA

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657ADA	#FFFFFF	#000000	##000000
##657ADA	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5086DE

Deuteranopia (green-blind)

#437CD8

Tritanopia (blue-blind)

#2A8F9F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657ada;
/* rgb */ color: rgb(101, 122, 218);
/* oklch */ color: oklch(60.9% 0.147 272.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657ada",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 218
  },
  "hsl": {
    "h": 229.231,
    "s": 61.257,
    "l": 62.549
  },
  "oklch": {
    "l": 0.60859,
    "c": 0.14706,
    "h": 272.1
  },
  "luminance": 0.21748
}

Semantic roles & 50–950 ramp

primary

#657ADA

secondary

#E3DBB8

accent

#AA1DC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #657ADA

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

Preview Lab → · Contrast checker → · Palette generator →