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Recognised as Colour

#30374E

  • #30374E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#30374E is a blue with RGB values 48, 55, 78 and HSL 226°, 24%, 25%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#30374E#30374E
HEX#30374E
RGBrgb(48, 55, 78)
RGB (0–1)0.1882, 0.2157, 0.3059
RGB percentages18.8%, 21.6%, 30.6%
HSLhsl(226, 23.8%, 24.7%)
HSV / HSBhsv(226, 38.5%, 30.6%)
CMYK38.5%, 29.5%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,159,886
CSS custom property--colour: #30374E;

Brightness & contrast

Relative luminance0.03911WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.78:1
Contrast with white11.78:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#CFC8B1

Colour vision & accessibility

Protanopia#30394Fno red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#2D374Dno green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#273C3Fno blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.78:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#4E4730
Analogous#30464E, #38304E
Triadic#4E3037, #374E30
Split complementary#4E3830, #464E30
Tetradic#4E3046, #4E4730, #304E38

Tints, shades & saturation

Lighter +40%#909ABA
Lighter +30%#707DA7
Lighter +20%#57648D
Lighter +10%#434D6E
Darker −10%#1D212E
Darker −20%#090A0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#202F5E
Less saturated −25%#3F3F3F

Channel breakdown

R48
G55
B78
Red48 (18.8%)
Green55 (21.6%)
Blue78 (30.6%)
Hue226°
Saturation (HSL)23.81%
Lightness24.71%
Dominant channelBlue
Hex per channelR 30 · G 37 · B 4E

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Every value on this page was computed from “30374e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.