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Recognised as Colour

#051517

  • #051517
  • Cyan
  • Dark
  • Nearest: Black

#051517 is a cyan with RGB values 5, 21, 23 and HSL 187°, 64%, 5%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#051517#051517
HEX#051517
RGBrgb(5, 21, 23)
RGB (0–1)0.0196, 0.0824, 0.0902
RGB percentages2%, 8.2%, 9%
HSLhsl(186.7, 64.3%, 5.5%)
HSV / HSBhsv(186.7, 78.3%, 9%)
CMYK78.3%, 8.7%, 0%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer333,079
CSS custom property--colour: #051517;

Brightness & contrast

Relative luminance0.0063WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.65:1
Contrast with white18.65:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FAEAE8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#131417no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#101217no green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#001616no blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.65:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 8Dark slate grey · ΔE 26.5Dim grey · ΔE 39.1Slate grey · ΔE 47.8Gray · ΔE 48.2Teal · ΔE 49.2
Nearest named CSS colourBlack (#000000)ΔE 8.01, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#170705
Analogous#051710, #050C17
Triadic#170515, #151705
Split complementary#17050C, #171005
Tetradic#100517, #170705, #0C1705

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#29AEBF
Lighter +30%#208895
Lighter +20%#17626B
Lighter +10%#0E3B41
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#01181B
Less saturated −25%#091214

Channel breakdown

R5
G21
B23
Red5 (2%)
Green21 (8.2%)
Blue23 (9%)
Hue186.67°
Saturation (HSL)64.29%
Lightness5.49%
Dominant channelBlue
Hex per channelR 05 · G 15 · B 17

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Every value on this page was computed from “hex 051517” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.