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Recognised as Colour

#2C309A

  • #2C309A
  • Blue
  • Dark
  • Nearest: Midnight blue

#2C309A is a blue with RGB values 44, 48, 154 and HSL 238°, 56%, 39%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2C309A#2C309A
HEX#2C309A
RGBrgb(44, 48, 154)
RGB (0–1)0.1725, 0.1882, 0.6039
RGB percentages17.3%, 18.8%, 60.4%
HSLhsl(237.8, 55.6%, 38.8%)
HSV / HSBhsv(237.8, 71.4%, 60.4%)
CMYK71.4%, 68.8%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,896,026
CSS custom property--colour: #2C309A;

Brightness & contrast

Relative luminance0.04982WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.52:1
Contrast with white10.52:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#D3CF65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00449Dno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#003A98no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#004C61no blue cones; rare, and affects men and women equally; ΔE 61.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.52:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.1Rebecca purple · ΔE 15.2Dark slateblue · ΔE 18.6Slate blue · ΔE 18.7Indigo · ΔE 18.9Navy · ΔE 20
Nearest named CSS colourMidnight blue (#191970)ΔE 14.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A962C
Analogous#2C679A, #5F2C9A
Triadic#9A2C30, #309A2C
Split complementary#9A5F2C, #679A2C
Tetradic#9A2C67, #9A962C, #2C9A5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABADE7
Lighter +30%#8387DC
Lighter +20%#5C60D0
Lighter +10%#373CC2
Darker −10%#212472
Darker −20%#15174B
Darker −30%#0A0B23
Darker −40%#000000
More saturated +25%#1319B3
Less saturated −25%#454781

Channel breakdown

R44
G48
B154
Red44 (17.3%)
Green48 (18.8%)
Blue154 (60.4%)
Hue237.82°
Saturation (HSL)55.56%
Lightness38.82%
Dominant channelBlue
Hex per channelR 2C · G 30 · B 9A

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Every value on this page was computed from “2c309a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.