Nerdulator> put something in

Recognised as Colour

#3728CB

  • #3728CB
  • Blue
  • Dark
  • Nearest: Medium blue

#3728CB is a blue with RGB values 55, 40, 203 and HSL 246°, 67%, 48%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3728CB#3728CB
HEX#3728CB
RGBrgb(55, 40, 203)
RGB (0–1)0.2157, 0.1569, 0.7961
RGB percentages21.6%, 15.7%, 79.6%
HSLhsl(245.5, 67.1%, 47.6%)
HSV / HSBhsv(245.5, 80.3%, 79.6%)
CMYK72.9%, 80.3%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,614,923
CSS custom property--colour: #3728CB;

Brightness & contrast

Relative luminance0.06642WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.02:1
Contrast with white9.02:1WCAG normal text: AAA
Contrast with black2.33:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#C8D734

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050CFno red cones; affects about 1% of men; ΔE 27.7 from the original
Deuteranopia#0041C8no green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#005B7Bno blue cones; rare, and affects men and women equally; ΔE 87 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.02:1WCAG large text: AAA
Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Medium blue · ΔE 17Blue violet · ΔE 18.7Dark blue · ΔE 20.7Dark violet · ΔE 24.3Navy · ΔE 25.2Dark orchid · ΔE 25.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCCB28
Analogous#286ACB, #8928CB
Triadic#CB3728, #28CB37
Split complementary#CB8828, #6ACB28
Tetradic#CB286A, #BCCB28, #28CB89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CECAF5
Lighter +30%#A7A0EC
Lighter +20%#7F75E4
Lighter +10%#584BDB
Darker −10%#2B20A0
Darker −20%#201776
Darker −30%#140F4B
Darker −40%#090621
More saturated +25%#1E0AE9
Less saturated −25%#5046AD

Channel breakdown

R55
G40
B203
Red55 (21.6%)
Green40 (15.7%)
Blue203 (79.6%)
Hue245.52°
Saturation (HSL)67.08%
Lightness47.65%
Dominant channelBlue
Hex per channelR 37 · G 28 · B CB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3728cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.