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Recognised as Colour

#2C277B

  • #2C277B
  • Blue
  • Dark
  • Nearest: Midnight blue

#2C277B is a blue with RGB values 44, 39, 123 and HSL 244°, 52%, 32%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2C277B#2C277B
HEX#2C277B
RGBrgb(44, 39, 123)
RGB (0–1)0.1725, 0.1529, 0.4824
RGB percentages17.3%, 15.3%, 48.2%
HSLhsl(243.6, 51.9%, 31.8%)
HSV / HSBhsv(243.6, 68.3%, 48.2%)
CMYK64.2%, 68.3%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,893,691
CSS custom property--colour: #2C277B;

Brightness & contrast

Relative luminance0.03417WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.48:1
Contrast with white12.48:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#D3D884

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00377Eno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#003079no green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#003D4Dno blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.48:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.8Dark slateblue · ΔE 10.9Rebecca purple · ΔE 17.7Indigo · ΔE 23.3Navy · ΔE 26.8Slate blue · ΔE 26.9
Nearest named CSS colourMidnight blue (#191970)ΔE 6.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#767B27
Analogous#274C7B, #56277B
Triadic#7B2C27, #277B2C
Split complementary#7B5627, #4C7B27
Tetradic#7B274C, #767B27, #277B56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9692DC
Lighter +30%#716BD0
Lighter +20%#4C44C4
Lighter +10%#3A33A2
Darker −10%#1E1B54
Darker −20%#100E2E
Darker −30%#020207
Darker −40%#000000
More saturated +25%#1A138F
Less saturated −25%#3E3B67

Channel breakdown

R44
G39
B123
Red44 (17.3%)
Green39 (15.3%)
Blue123 (48.2%)
Hue243.57°
Saturation (HSL)51.85%
Lightness31.76%
Dominant channelBlue
Hex per channelR 2C · G 27 · B 7B

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Every value on this page was computed from “2c277b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.