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Recognised as Colour

#3D74EF

  • #3D74EF
  • Blue
  • Dark
  • Nearest: Royal blue

#3D74EF is a blue with RGB values 61, 116, 239 and HSL 221°, 85%, 59%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3D74EF#3D74EF
HEX#3D74EF
RGBrgb(61, 116, 239)
RGB (0–1)0.2392, 0.4549, 0.9373
RGB percentages23.9%, 45.5%, 93.7%
HSLhsl(221.5, 84.8%, 58.8%)
HSV / HSBhsv(221.5, 74.5%, 93.7%)
CMYK74.5%, 51.5%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,027,631
CSS custom property--colour: #3D74EF;

Brightness & contrast

Relative luminance0.19715WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#C28B10

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2083F3no red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#0073EDno green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#0092A6no blue cones; rare, and affects men and women equally; ΔE 68.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA

Named colours

Royal blue · ΔE 4.8Dodgerblue · ΔE 16.5Slate blue · ΔE 16.5Medium slateblue · ΔE 17.3Medium purple · ΔE 21.7Cornflower blue · ΔE 25.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 4.77, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFB83D
Analogous#3DCDEF, #5F3DEF
Triadic#EF3D74, #74EF3D
Split complementary#EF5F3D, #CDEF3D
Tetradic#EF3DCD, #EFB83D, #3DEF5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9FBFF
Lighter +30%#CAD9FB
Lighter +20%#9BB8F7
Lighter +10%#6C96F3
Darker −10%#1354E6
Darker −20%#0F43B7
Darker −30%#0B3288
Darker −40%#072059
More saturated +25%#2D6EFF
Less saturated −25%#577ED5

Channel breakdown

R61
G116
B239
Red61 (23.9%)
Green116 (45.5%)
Blue239 (93.7%)
Hue221.46°
Saturation (HSL)84.76%
Lightness58.82%
Dominant channelBlue
Hex per channelR 3D · G 74 · B EF

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Every value on this page was computed from “3d74ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.