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Recognised as Colour

#11374B

  • #11374B
  • Blue
  • Dark
  • Nearest: Dark slate grey

#11374B is a blue with RGB values 17, 55, 75 and HSL 201°, 63%, 18%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#11374B#11374B
HEX#11374B
RGBrgb(17, 55, 75)
RGB (0–1)0.0667, 0.2157, 0.2941
RGB percentages6.7%, 21.6%, 29.4%
HSLhsl(200.7, 63%, 18%)
HSV / HSBhsv(200.7, 77.3%, 29.4%)
CMYK77.3%, 26.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,128,267
CSS custom property--colour: #11374B;

Brightness & contrast

Relative luminance0.0336WCAG 2.x, 0 is black and 1 is white
Perceived brightness50 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.56:1
Contrast with white12.56:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#EEC8B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D374Cno red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#25314Bno green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#003C3Eno blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.56:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17Black · ΔE 27.4Dim grey · ΔE 28.7Slate grey · ΔE 32.1Steel blue · ΔE 35Light slate grey · ΔE 35
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B2511
Analogous#114B42, #111A4B
Triadic#4B1137, #374B11
Split complementary#4B111A, #4B4211
Tetradic#42114B, #4B2511, #1A4B11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#51A9D7
Lighter +30%#2D92C8
Lighter +20%#24749E
Lighter +10%#1A5575
Darker −10%#081921
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#053B57
Less saturated −25%#1C3340

Channel breakdown

R17
G55
B75
Red17 (6.7%)
Green55 (21.6%)
Blue75 (29.4%)
Hue200.69°
Saturation (HSL)63.04%
Lightness18.04%
Dominant channelBlue
Hex per channelR 11 · G 37 · B 4B

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Every value on this page was computed from “11374b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.