Nerdulator> put something in

Recognised as Colour

#2478FF

  • #2478FF
  • Blue
  • Dark
  • Nearest: Royal blue

#2478FF is a blue with RGB values 36, 120, 255 and HSL 217°, 100%, 57%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2478FF#2478FF
HEX#2478FF
RGBrgb(36, 120, 255)
RGB (0–1)0.1412, 0.4706, 1
RGB percentages14.1%, 47.1%, 100%
HSLhsl(217, 100%, 57.1%)
HSV / HSBhsv(217, 85.9%, 100%)
CMYK85.9%, 52.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,390,271
CSS custom property--colour: #2478FF;

Brightness & contrast

Relative luminance0.21028WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.21:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.21:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#DB8700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0089FFno red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#0075FCno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#009AB0no blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.21:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10Medium slateblue · ΔE 18Dodgerblue · ΔE 19.4Slate blue · ΔE 20.8Medium purple · ΔE 26.4Cornflower blue · ΔE 30.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.96, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFAB24
Analogous#24E6FF, #3D24FF
Triadic#FF2478, #78FF24
Split complementary#FF3E24, #E5FF24
Tetradic#FF24E6, #FFAB24, #24FF3E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0F6FF
Lighter +30%#BDD6FF
Lighter +20%#8AB7FF
Lighter +10%#5797FF
Darker −10%#005CF0
Darker −20%#0048BD
Darker −30%#00358A
Darker −40%#002157
More saturated +25%#2478FF
Less saturated −25%#3F7EE4

Channel breakdown

R36
G120
B255
Red36 (14.1%)
Green120 (47.1%)
Blue255 (100%)
Hue216.99°
Saturation (HSL)100%
Lightness57.06%
Dominant channelBlue
Hex per channelR 24 · G 78 · B FF

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 “2478ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.