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Recognised as Colour

#3A6BFB

  • #3A6BFB
  • Blue
  • Dark
  • Nearest: Royal blue

#3A6BFB is a blue with RGB values 58, 107, 251 and HSL 225°, 96%, 61%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3A6BFB#3A6BFB
HEX#3A6BFB
RGBrgb(58, 107, 251)
RGB (0–1)0.2275, 0.4196, 0.9843
RGB percentages22.7%, 42%, 98.4%
HSLhsl(224.8, 96%, 60.6%)
HSV / HSBhsv(224.8, 76.9%, 98.4%)
CMYK76.9%, 57.4%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,828,731
CSS custom property--colour: #3A6BFB;

Brightness & contrast

Relative luminance0.1838WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.68:1
Contrast with white4.49:1WCAG normal text: Fail
Contrast with black4.68:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#C59404

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0080FFno red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#006EF8no green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#008FA9no blue cones; rare, and affects men and women equally; ΔE 77.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.49:1WCAG large text: AA
Contrast with black, large text4.68:1WCAG large text: AAA

Named colours

Royal blue · ΔE 13.5Medium slateblue · ΔE 13.5Slate blue · ΔE 19.4Medium purple · ΔE 27Dodgerblue · ΔE 28.5Rebecca purple · ΔE 35.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBCA3A
Analogous#3ACCFB, #693AFB
Triadic#FB3A6B, #6BFB3A
Split complementary#FB693A, #CCFB3A
Tetradic#FB3ACC, #FBCA3A, #3AFB6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D0DCFE
Lighter +20%#9EB6FD
Lighter +10%#6C91FC
Darker −10%#0845FA
Darker −20%#0437CB
Darker −30%#032999
Darker −40%#021C67
More saturated +25%#3669FF
Less saturated −25%#5377E2

Channel breakdown

R58
G107
B251
Red58 (22.7%)
Green107 (42%)
Blue251 (98.4%)
Hue224.77°
Saturation (HSL)96.02%
Lightness60.59%
Dominant channelBlue
Hex per channelR 3A · G 6B · B FB

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Every value on this page was computed from “3a6bfb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.