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Recognised as Colour

#2A4F58

  • #2A4F58
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2A4F58 is a cyan with RGB values 42, 79, 88 and HSL 192°, 35%, 25%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2A4F58#2A4F58
HEX#2A4F58
RGBrgb(42, 79, 88)
RGB (0–1)0.1647, 0.3098, 0.3451
RGB percentages16.5%, 31%, 34.5%
HSLhsl(191.7, 35.4%, 25.5%)
HSV / HSBhsv(191.7, 52.3%, 34.5%)
CMYK52.3%, 10.2%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,772,824
CSS custom property--colour: #2A4F58;

Brightness & contrast

Relative luminance0.06789WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.91:1
Contrast with white8.91:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#D5B0A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#494D59no red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#414758no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#115252no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.91:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 5.8Dim grey · ΔE 19.2Slate grey · ΔE 23.1Teal · ΔE 25Light slate grey · ΔE 26Gray · ΔE 26.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 5.82, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#58332A
Analogous#2A584A, #2A3858
Triadic#582A4F, #4F582A
Split complementary#582A38, #584A2A
Tetradic#4A2A58, #58332A, #38582A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88BAC6
Lighter +30%#65A6B6
Lighter +20%#4B8D9D
Lighter +10%#3A6E7B
Darker −10%#1A3035
Darker −20%#091113
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A5968
Less saturated −25%#3A4548

Channel breakdown

R42
G79
B88
Red42 (16.5%)
Green79 (31%)
Blue88 (34.5%)
Hue191.74°
Saturation (HSL)35.38%
Lightness25.49%
Dominant channelBlue
Hex per channelR 2A · G 4F · B 58

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Every value on this page was computed from “2a4f58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.