#3651AD#3651AD

#3651AD is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.150 H 267.8°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#3651AD
RGB	rgb(54, 81, 173)
HSL	hsl(226, 52%, 45%)
HSV	hsv(226, 69%, 68%)
CMYK	cmyk(68.8%, 53.2%, 0%, 32.2%)
CIE-LAB	lab(37.27, 21.24, -52.30)
CIE-LCH	lch(37.27, 56.45, 292.11°)
OKLab	oklab(46.71% -0.0057 -0.1503)
OKLCH	oklch(46.71% 0.15 267.8)
XYZ	xyz(12.0040, 9.6851, 40.7639)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3651AD #AD9236

analogous

#368CAD #3651AD #5736AD

triadic

#3651AD #AD3651 #51AD36

tetradic

#3651AD #AD368C #AD9236 #36AD57

square

#3651AD #AD368C #AD9236 #36AD57

split-complementary

#3651AD #AD5736 #8CAD36

monochromatic

#192550 #273B7E #3651AD #5670CA #8598D9

Accessibility & contrast

On white

7.15

#3651AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3651AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3651AD

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3651AD	#FFFFFF	#000000	##FFFFFF
##3651AD	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#135DB0

Deuteranopia (green-blind)

#0053AB

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3651ad;
/* rgb */ color: rgb(54, 81, 173);
/* oklch */ color: oklch(46.7% 0.150 267.8);

Tailwind

colors: {
  custom: {
    50: '#7b81c6',
    500: '#3651ad',
    950: '#000000',
  },
}

SCSS

$custom: #3651ad;
$custom-light: #7b81c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3651ad",
  "rgb": {
    "r": 54,
    "g": 81,
    "b": 173
  },
  "hsl": {
    "h": 226.387,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46706,
    "c": 0.15041,
    "h": 267.8
  },
  "luminance": 0.09686
}

Semantic roles & 50–950 ramp

primary

#3651AD

secondary

#C2B37C

accent

#BB4CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3651AD

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

Preview Lab → · Contrast checker → · Palette generator →