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Recognised as Colour

#2A347D

  • #2A347D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2A347D is a blue with RGB values 42, 52, 125 and HSL 233°, 50%, 33%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A347D#2A347D
HEX#2A347D
RGBrgb(42, 52, 125)
RGB (0–1)0.1647, 0.2039, 0.4902
RGB percentages16.5%, 20.4%, 49%
HSLhsl(232.8, 49.7%, 32.7%)
HSV / HSBhsv(232.8, 66.4%, 49%)
CMYK66.4%, 58.4%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,765,949
CSS custom property--colour: #2A347D;

Brightness & contrast

Relative luminance0.04429WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.14:1
Contrast with white11.14:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#D5CB82

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F7Fno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#00387Cno green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#004653no blue cones; rare, and affects men and women equally; ΔE 45.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.14:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 7.8Midnight blue · ΔE 15.7Rebecca purple · ΔE 23.8Slate blue · ΔE 29.4Royal blue · ΔE 32.4Indigo · ΔE 32.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 7.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D732A
Analogous#2A5D7D, #4A2A7D
Triadic#7D2A34, #347D2A
Split complementary#7D4A2A, #5D7D2A
Tetradic#7D2A5D, #7D732A, #2A7D4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#979FDC
Lighter +30%#717CCF
Lighter +20%#4B59C2
Lighter +10%#3744A3
Darker −10%#1D2457
Darker −20%#101431
Darker −30%#04040A
Darker −40%#000000
More saturated +25%#152492
Less saturated −25%#3F4468

Channel breakdown

R42
G52
B125
Red42 (16.5%)
Green52 (20.4%)
Blue125 (49%)
Hue232.77°
Saturation (HSL)49.7%
Lightness32.75%
Dominant channelBlue
Hex per channelR 2A · G 34 · B 7D

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Every value on this page was computed from “2a347d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.