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Colour

#00282F

  • #00282F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#00282F is a cyan with RGB values 0, 40, 47 and HSL 189°, 100%, 9%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#00282F#00282F
HEX#00282F
RGBrgb(0, 40, 47)
RGB (0–1)0, 0.1569, 0.1843
RGB percentages0%, 15.7%, 18.4%
HSLhsl(188.9, 100%, 9.2%)
HSV / HSBhsv(188.9, 100%, 18.4%)
CMYK100%, 14.9%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,287
CSS custom property--colour: #00282F;

Brightness & contrast

Relative luminance0.01723WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.62:1
Contrast with white15.62:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FFD7D0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#23262Fno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#1C222Fno green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#002B2Ano blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.62:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18Black · ΔE 19.4Dim grey · ΔE 33.3Teal · ΔE 38.9Slate grey · ΔE 39.8Gray · ΔE 41.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.98, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F0700
Analogous#002F1F, #00102F
Triadic#2F0028, #282F00
Split complementary#2F0010, #2F1F00
Tetradic#1F002F, #2F0700, #102F00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#00D6FB
Lighter +30%#00AAC8
Lighter +20%#007F95
Lighter +10%#005362
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00282F
Less saturated −25%#062429

Channel breakdown

R0
G40
B47
Red0 (0%)
Green40 (15.7%)
Blue47 (18.4%)
Hue188.94°
Saturation (HSL)100%
Lightness9.22%
Dominant channelBlue
Hex per channelR 00 · G 28 · B 2F

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Every value on this page was computed from “00282f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.