#5651BB#5651BB

#5651BB is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.162 H 280.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#5651BB
RGB	rgb(86, 81, 187)
HSL	hsl(243, 44%, 53%)
HSV	hsv(243, 57%, 73%)
CMYK	cmyk(54%, 56.7%, 0%, 26.7%)
CIE-LAB	lab(40.33, 31.82, -55.50)
CIE-LCH	lch(40.33, 63.98, 299.83°)
OKLab	oklab(49.85% 0.0306 -0.1589)
OKLCH	oklch(49.85% 0.162 280.9)
XYZ	xyz(15.7470, 11.4502, 48.3844)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5651BB #B6BB51

analogous

#5181BB #5651BB #8B51BB

triadic

#5651BB #BB5651 #51BB56

tetradic

#5651BB #BB5181 #B6BB51 #51BB8B

square

#5651BB #BB5181 #B6BB51 #51BB8B

split-complementary

#5651BB #BB8B51 #81BB51

monochromatic

#2C2969 #3E3A95 #5651BB #817DCC #ABA9DD

Accessibility & contrast

On white

6.38

#5651BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#5651BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5651BB

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5651BB	#FFFFFF	#000000	##FFFFFF
##5651BB	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#28697E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5651bb;
/* rgb */ color: rgb(86, 81, 187);
/* oklch */ color: oklch(49.8% 0.162 280.9);

Tailwind

colors: {
  custom: {
    50: '#8e82d0',
    500: '#5651bb',
    950: '#000000',
  },
}

SCSS

$custom: #5651bb;
$custom-light: #8e82d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5651bb",
  "rgb": {
    "r": 86,
    "g": 81,
    "b": 187
  },
  "hsl": {
    "h": 242.83,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49848,
    "c": 0.16183,
    "h": 280.9
  },
  "luminance": 0.11451
}

Semantic roles & 50–950 ramp

primary

#5651BB

secondary

#C9CB9D

accent

#D454CE

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5651BB

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

Preview Lab → · Contrast checker → · Palette generator →