Nerdulator> put something in

Recognised as Colour

#3764DF

  • #3764DF
  • Blue
  • Dark
  • Nearest: Royal blue

#3764DF is a blue with RGB values 55, 100, 223 and HSL 224°, 72%, 55%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3764DF#3764DF
HEX#3764DF
RGBrgb(55, 100, 223)
RGB (0–1)0.2157, 0.3922, 0.8745
RGB percentages21.6%, 39.2%, 87.5%
HSLhsl(223.9, 72.4%, 54.5%)
HSV / HSBhsv(223.9, 75.3%, 87.5%)
CMYK75.3%, 55.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,630,303
CSS custom property--colour: #3764DF;

Brightness & contrast

Relative luminance0.15254WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.18:1
Contrast with white5.18:1WCAG normal text: AA
Contrast with black4.05:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#C89B20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0075E3no red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#0065DDno green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#008298no blue cones; rare, and affects men and women equally; ΔE 68.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.18:1WCAG large text: AAA
Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Royal blue · ΔE 2.9Slate blue · ΔE 12.7Medium slateblue · ΔE 15Medium purple · ΔE 21.4Dodgerblue · ΔE 22.4Rebecca purple · ΔE 28.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 2.92, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFB237
Analogous#37B8DF, #5E37DF
Triadic#DF3764, #64DF37
Split complementary#DF5E37, #B8DF37
Tetradic#DF37B8, #DFB237, #37DF5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7ECFB
Lighter +30%#BBCAF4
Lighter +20%#8FA8ED
Lighter +10%#6386E6
Darker −10%#1F4BC4
Darker −20%#183A98
Darker −30%#11296C
Darker −40%#0A1940
More saturated +25%#1A57FC
Less saturated −25%#5471C2

Channel breakdown

R55
G100
B223
Red55 (21.6%)
Green100 (39.2%)
Blue223 (87.5%)
Hue223.93°
Saturation (HSL)72.41%
Lightness54.51%
Dominant channelBlue
Hex per channelR 37 · G 64 · B DF

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 “3764df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.