#3651CD#3651CD

#3651CD is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.3% C 0.194 H 268.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3651CD
RGB	rgb(54, 81, 205)
HSL	hsl(229, 60%, 51%)
HSV	hsv(229, 74%, 80%)
CMYK	cmyk(73.7%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(39.71, 32.93, -67.07)
CIE-LCH	lch(39.71, 74.72, 296.15°)
OKLab	oklab(49.3% -0.0045 -0.1937)
OKLCH	oklch(49.3% 0.194 268.7)
XYZ	xyz(15.4794, 11.0753, 59.0677)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3651CD #CDB236

analogous

#369CCD #3651CD #6736CD

triadic

#3651CD #CD3651 #51CD36

tetradic

#3651CD #CD369C #CDB236 #36CD67

square

#3651CD #CD369C #CDB236 #36CD67

split-complementary

#3651CD #CD6736 #9CCD36

monochromatic

#1B2A6D #273D9E #3651CD #677BD9 #98A6E5

Accessibility & contrast

On white

6.53

#3651CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3651CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3651CD

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3651CD	#FFFFFF	#000000	##FFFFFF
##3651CD	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D1

Deuteranopia (green-blind)

#0057CB

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3651cd;
/* rgb */ color: rgb(54, 81, 205);
/* oklch */ color: oklch(49.3% 0.194 268.7);

Tailwind

colors: {
  custom: {
    50: '#8281dd',
    500: '#3651cd',
    950: '#000000',
  },
}

SCSS

$custom: #3651cd;
$custom-light: #8281dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3651cd",
  "rgb": {
    "r": 54,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 229.272,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49295,
    "c": 0.19376,
    "h": 268.7
  },
  "luminance": 0.11077
}

Semantic roles & 50–950 ramp

primary

#3651CD

secondary

#D1C58E

accent

#C744E3

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3651CD

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

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