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Recognised as Colour

#2A8390

  • #2A8390
  • Cyan
  • Dark
  • Nearest: Teal

#2A8390 is a cyan with RGB values 42, 131, 144 and HSL 188°, 55%, 36%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#2A8390#2A8390
HEX#2A8390
RGBrgb(42, 131, 144)
RGB (0–1)0.1647, 0.5137, 0.5647
RGB percentages16.5%, 51.4%, 56.5%
HSLhsl(187.6, 54.8%, 36.5%)
HSV / HSBhsv(187.6, 70.8%, 56.5%)
CMYK70.8%, 9%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,786,192
CSS custom property--colour: #2A8390;

Brightness & contrast

Relative luminance0.18738WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.75:1
Contrast with white4.42:1WCAG normal text: Fail
Contrast with black4.75:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#D57C6F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#777E91no red cones; affects about 1% of men; ΔE 23.4 from the original
Deuteranopia#697390no green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#008987no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.42:1WCAG large text: AA
Contrast with black, large text4.75:1WCAG large text: AAA

Named colours

Teal · ΔE 9.9Dark cyan · ΔE 10.9Cadetblue · ΔE 13.1Slate grey · ΔE 19.8Light slate grey · ΔE 20.2Light seagreen · ΔE 23.8
Nearest named CSS colourTeal (#008080)ΔE 9.87, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#90372A
Analogous#2A906A, #2A5090
Triadic#902A83, #83902A
Split complementary#902A50, #906A2A
Tetradic#6A2A90, #90372A, #50902A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A2DCE4
Lighter +30%#7BCCD8
Lighter +20%#53BDCD
Lighter +10%#36A7B7
Darker −10%#1E5F69
Darker −20%#133B41
Darker −30%#07171A
Darker −40%#000000
More saturated +25%#1394A7
Less saturated −25%#417279

Channel breakdown

R42
G131
B144
Red42 (16.5%)
Green131 (51.4%)
Blue144 (56.5%)
Hue187.65°
Saturation (HSL)54.84%
Lightness36.47%
Dominant channelBlue
Hex per channelR 2A · G 83 · B 90

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Every value on this page was computed from “2a8390” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.