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Recognised as Colour

#11305C

  • #11305C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#11305C is a blue with RGB values 17, 48, 92 and HSL 215°, 69%, 21%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#11305C#11305C
HEX#11305C
RGBrgb(17, 48, 92)
RGB (0–1)0.0667, 0.1882, 0.3608
RGB percentages6.7%, 18.8%, 36.1%
HSLhsl(215.2, 68.8%, 21.4%)
HSV / HSBhsv(215.2, 81.5%, 36.1%)
CMYK81.5%, 47.8%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,126,492
CSS custom property--colour: #11305C;

Brightness & contrast

Relative luminance0.03006WCAG 2.x, 0 is black and 1 is white
Perceived brightness49 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.12:1
Contrast with white13.12:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#EECFA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A345Eno red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#0A2D5Bno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#003A41no blue cones; rare, and affects men and women equally; ΔE 28.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.12:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.7Midnight blue · ΔE 32.6Dark slate grey · ΔE 33.5Steel blue · ΔE 34.1Black · ΔE 36.3Slate grey · ΔE 38.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C3D11
Analogous#11555C, #18115C
Triadic#5C1130, #305C11
Split complementary#5C1811, #555C11
Tetradic#5C1155, #5C3D11, #115C18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5991E0
Lighter +30%#2E74D8
Lighter +20%#215DB2
Lighter +10%#194687
Darker −10%#091A31
Darker −20%#010306
Darker −30%#000000
Darker −40%#000000
More saturated +25%#032E6A
Less saturated −25%#1F324E

Channel breakdown

R17
G48
B92
Red17 (6.7%)
Green48 (18.8%)
Blue92 (36.1%)
Hue215.2°
Saturation (HSL)68.81%
Lightness21.37%
Dominant channelBlue
Hex per channelR 11 · G 30 · B 5C

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Every value on this page was computed from “11305c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.