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Recognised as Colour

#2B5159

  • #2B5159
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2B5159 is a cyan with RGB values 43, 81, 89 and HSL 190°, 35%, 26%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B5159#2B5159
HEX#2B5159
RGBrgb(43, 81, 89)
RGB (0–1)0.1686, 0.3176, 0.349
RGB percentages16.9%, 31.8%, 34.9%
HSLhsl(190.4, 34.8%, 25.9%)
HSV / HSBhsv(190.4, 51.7%, 34.9%)
CMYK51.7%, 9%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,838,873
CSS custom property--colour: #2B5159;

Brightness & contrast

Relative luminance0.0712WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.66:1
Contrast with white8.66:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#D4AEA6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B4F59no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#434959no green cones; the most common form, about 1% of men; ΔE 12.8 from the original
Tritanopia#125453no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.66:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 5.3Dim grey · ΔE 18.8Slate grey · ΔE 22.7Teal · ΔE 24.1Light slate grey · ΔE 25.5Gray · ΔE 25.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 5.27, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#59332B
Analogous#2B594A, #2B3A59
Triadic#592B51, #51592B
Split complementary#592B3A, #594A2B
Tetradic#4A2B59, #59332B, #3A592B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8ABCC6
Lighter +30%#67A8B6
Lighter +20%#4C909E
Lighter +10%#3C707B
Darker −10%#1A3237
Darker −20%#0A1214
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B5C69
Less saturated −25%#3B4648

Channel breakdown

R43
G81
B89
Red43 (16.9%)
Green81 (31.8%)
Blue89 (34.9%)
Hue190.43°
Saturation (HSL)34.85%
Lightness25.88%
Dominant channelBlue
Hex per channelR 2B · G 51 · B 59

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Every value on this page was computed from “2b5159” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.