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Recognised as Colour

#1C2D9D

  • #1C2D9D
  • Blue
  • Dark
  • Nearest: Midnight blue

#1C2D9D is a blue with RGB values 28, 45, 157 and HSL 232°, 70%, 36%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1C2D9D#1C2D9D
HEX#1C2D9D
RGBrgb(28, 45, 157)
RGB (0–1)0.1098, 0.1765, 0.6157
RGB percentages11%, 17.6%, 61.6%
HSLhsl(232.1, 69.7%, 36.3%)
HSV / HSBhsv(232.1, 82.2%, 61.6%)
CMYK82.2%, 71.3%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,846,685
CSS custom property--colour: #1C2D9D;

Brightness & contrast

Relative luminance0.04558WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.99:1
Contrast with white10.99:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#E3D262

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0043A0no red cones; affects about 1% of men; ΔE 17.5 from the original
Deuteranopia#00369Bno green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#004D61no blue cones; rare, and affects men and women equally; ΔE 66 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.99:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 16.3Navy · ΔE 17.2Rebecca purple · ΔE 18.1Indigo · ΔE 18.7Dark blue · ΔE 19.2Slate blue · ΔE 20.4
Nearest named CSS colourMidnight blue (#191970)ΔE 16.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9D8C1C
Analogous#1C6E9D, #4B1C9D
Triadic#9D1C2D, #2D9D1C
Split complementary#9D4B1C, #6E9D1C
Tetradic#9D1C6E, #9D8C1C, #1C9D4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98A3ED
Lighter +30%#6D7DE5
Lighter +20%#4256DD
Lighter +10%#2439C8
Darker −10%#142172
Darker −20%#0D1446
Darker −30%#05081B
Darker −40%#000000
More saturated +25%#051CB4
Less saturated −25%#333E86

Channel breakdown

R28
G45
B157
Red28 (11%)
Green45 (17.6%)
Blue157 (61.6%)
Hue232.09°
Saturation (HSL)69.73%
Lightness36.27%
Dominant channelBlue
Hex per channelR 1C · G 2D · B 9D

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Every value on this page was computed from “1c2d9d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.