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Recognised as Colour

#391BC2

  • #391BC2
  • Blue
  • Dark
  • Nearest: Medium blue

#391BC2 is a blue with RGB values 57, 27, 194 and HSL 251°, 76%, 43%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#391BC2#391BC2
HEX#391BC2
RGBrgb(57, 27, 194)
RGB (0–1)0.2235, 0.1059, 0.7608
RGB percentages22.4%, 10.6%, 76.1%
HSLhsl(250.8, 75.6%, 43.3%)
HSV / HSBhsv(250.8, 86.1%, 76.1%)
CMYK70.6%, 86.1%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,742,658
CSS custom property--colour: #391BC2;

Brightness & contrast

Relative luminance0.05549WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.95:1
Contrast with white9.95:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#C6E43D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049C6no red cones; affects about 1% of men; ΔE 29.5 from the original
Deuteranopia#003BBFno green cones; the most common form, about 1% of men; ΔE 21.9 from the original
Tritanopia#005373no blue cones; rare, and affects men and women equally; ΔE 87.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.95:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Medium blue · ΔE 15Blue violet · ΔE 18.4Dark blue · ΔE 19.2Dark violet · ΔE 22.8Navy · ΔE 24.1Dark orchid · ΔE 25.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A4C21B
Analogous#1B50C2, #8D1BC2
Triadic#C2391B, #1BC239
Split complementary#C28D1B, #50C21B
Tetradic#C21B50, #A4C21B, #1BC28D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0B4F5
Lighter +30%#9A88EE
Lighter +20%#745BE8
Lighter +10%#4E2EE2
Darker −10%#2C1595
Darker −20%#1F0F68
Darker −30%#12083C
Darker −40%#04020F
More saturated +25%#2800DD
Less saturated −25%#4B37A6

Channel breakdown

R57
G27
B194
Red57 (22.4%)
Green27 (10.6%)
Blue194 (76.1%)
Hue250.78°
Saturation (HSL)75.57%
Lightness43.33%
Dominant channelBlue
Hex per channelR 39 · G 1B · B C2

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Every value on this page was computed from “391bc2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.