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Recognised as Colour

#1E78D4

  • #1E78D4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1E78D4 is a blue with RGB values 30, 120, 212 and HSL 210°, 75%, 47%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1E78D4#1E78D4
HEX#1E78D4
RGBrgb(30, 120, 212)
RGB (0–1)0.1176, 0.4706, 0.8314
RGB percentages11.8%, 47.1%, 83.1%
HSLhsl(210.3, 75.2%, 47.5%)
HSV / HSBhsv(210.3, 85.8%, 83.1%)
CMYK85.8%, 43.4%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,997,012
CSS custom property--colour: #1E78D4;

Brightness & contrast

Relative luminance0.18462WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.69:1
Contrast with white4.48:1WCAG normal text: Fail
Contrast with black4.69:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#E1872B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4880D8no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#2270D2no green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#008E9Bno blue cones; rare, and affects men and women equally; ΔE 52.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.48:1WCAG large text: AA
Contrast with black, large text4.69:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13Dodgerblue · ΔE 13.1Royal blue · ΔE 21.1Steel blue · ΔE 25.5Slate blue · ΔE 28.3Dark slateblue · ΔE 28.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D47A1E
Analogous#1ED3D4, #1F1ED4
Triadic#D41E78, #78D41E
Split complementary#D41F1E, #D3D41E
Tetradic#D41ED3, #D47A1E, #1ED41F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7DFF7
Lighter +30%#9AC5F1
Lighter +20%#6EABEA
Lighter +10%#4192E4
Darker −10%#185FA7
Darker −20%#11457B
Darker −30%#0B2C4E
Darker −40%#051321
More saturated +25%#0078F2
Less saturated −25%#3C78B6

Channel breakdown

R30
G120
B212
Red30 (11.8%)
Green120 (47.1%)
Blue212 (83.1%)
Hue210.33°
Saturation (HSL)75.21%
Lightness47.45%
Dominant channelBlue
Hex per channelR 1E · G 78 · B D4

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Every value on this page was computed from “1e78d4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.