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Recognised as Colour

#15292A

  • #15292A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#15292A is a cyan with RGB values 21, 41, 42 and HSL 183°, 33%, 12%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#15292A#15292A
HEX#15292A
RGBrgb(21, 41, 42)
RGB (0–1)0.0824, 0.1608, 0.1647
RGB percentages8.2%, 16.1%, 16.5%
HSLhsl(182.9, 33.3%, 12.4%)
HSV / HSBhsv(182.9, 50%, 16.5%)
CMYK50%, 2.4%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,386,794
CSS custom property--colour: #15292A;

Brightness & contrast

Relative luminance0.01912WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.19:1
Contrast with white15.19:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#EAD6D5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#26272Ano red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#23252Ano green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#0C2A29no blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.19:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.7Black · ΔE 17.2Dim grey · ΔE 30.6Slate grey · ΔE 38.9Gray · ΔE 39.5Teal · ΔE 39.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.72, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2A1615
Analogous#152A21, #151E2A
Triadic#2A1529, #292A15
Split complementary#2A151E, #2A2015
Tetradic#21152A, #2A1615, #1F2A15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5DAAAE
Lighter +30%#488D90
Lighter +20%#376B6E
Lighter +10%#264A4C
Darker −10%#040808
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D3032
Less saturated −25%#1D2222

Channel breakdown

R21
G41
B42
Red21 (8.2%)
Green41 (16.1%)
Blue42 (16.5%)
Hue182.86°
Saturation (HSL)33.33%
Lightness12.35%
Dominant channelBlue
Hex per channelR 15 · G 29 · B 2A

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Every value on this page was computed from “15292a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.