#657DD1#657DD1

#657DD1 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.131 H 270.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#657DD1
RGB	rgb(101, 125, 209)
HSL	hsl(227, 54%, 61%)
HSV	hsv(227, 52%, 82%)
CMYK	cmyk(51.7%, 40.2%, 0%, 18%)
CIE-LAB	lab(54.06, 14.92, -46.11)
CIE-LCH	lch(54.06, 48.46, 287.94°)
OKLab	oklab(60.94% 0.0003 -0.1306)
OKLCH	oklch(60.94% 0.131 270.1)
XYZ	xyz(24.2053, 22.0358, 63.2871)
Luminance	0.2204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DD1 #D1B965

analogous

#65B3D1 #657DD1 #8365D1

triadic

#657DD1 #D1657D #7DD165

tetradic

#657DD1 #D165B3 #D1B965 #65D183

square

#657DD1 #D165B3 #D1B965 #65D183

split-complementary

#657DD1 #D18365 #B3D165

monochromatic

#2B4290 #3957C0 #657DD1 #94A5DF #C3CDED

Accessibility & contrast

On white

3.88

#657DD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#657DD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DD1

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DD1	#FFFFFF	#000000	##000000
##657DD1	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B86D4

Deuteranopia (green-blind)

#4F7DCF

Tritanopia (blue-blind)

#338F9D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657dd1;
/* rgb */ color: rgb(101, 125, 209);
/* oklch */ color: oklch(60.9% 0.131 270.1);

Tailwind

colors: {
  custom: {
    50: '#97a2df',
    500: '#657dd1',
    950: '#000000',
  },
}

SCSS

$custom: #657dd1;
$custom-light: #97a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#657dd1",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 209
  },
  "hsl": {
    "h": 226.667,
    "s": 54,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60936,
    "c": 0.13061,
    "h": 270.1
  },
  "luminance": 0.22037
}

Semantic roles & 50–950 ramp

primary

#657DD1

secondary

#DDD4B4

accent

#9E24C1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #657DD1

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

Preview Lab → · Contrast checker → · Palette generator →