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Recognised as Colour

#2A4045

  • #2A4045
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2A4045 is a cyan with RGB values 42, 64, 69 and HSL 191°, 24%, 22%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2A4045#2A4045
HEX#2A4045
RGBrgb(42, 64, 69)
RGB (0–1)0.1647, 0.251, 0.2706
RGB percentages16.5%, 25.1%, 27.1%
HSLhsl(191.1, 24.3%, 21.8%)
HSV / HSBhsv(191.1, 39.1%, 27.1%)
CMYK39.1%, 7.2%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,768,965
CSS custom property--colour: #2A4045;

Brightness & contrast

Relative luminance0.04589WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.95:1
Contrast with white10.95:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#D5BFBA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C3E45no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#383B45no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#204241no blue cones; rare, and affects men and women equally; ΔE 6.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.95:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.6Dim grey · ΔE 21Black · ΔE 27.1Slate grey · ΔE 28.2Gray · ΔE 29.5Light slate grey · ΔE 31.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.64, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#452F2A
Analogous#2A453C, #2A3345
Triadic#452A40, #40452A
Split complementary#452A33, #453D2A
Tetradic#3D2A45, #452F2A, #33452A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86ACB5
Lighter +30%#6697A2
Lighter +20%#517B84
Lighter +10%#3D5D65
Darker −10%#172325
Darker −20%#030506
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C4953
Less saturated −25%#383838

Channel breakdown

R42
G64
B69
Red42 (16.5%)
Green64 (25.1%)
Blue69 (27.1%)
Hue191.11°
Saturation (HSL)24.32%
Lightness21.76%
Dominant channelBlue
Hex per channelR 2A · G 40 · B 45

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Every value on this page was computed from “2a4045” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.