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Recognised as Colour

#152D33

  • #152D33
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#152D33 is a cyan with RGB values 21, 45, 51 and HSL 192°, 42%, 14%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#152D33#152D33
HEX#152D33
RGBrgb(21, 45, 51)
RGB (0–1)0.0824, 0.1765, 0.2
RGB percentages8.2%, 17.6%, 20%
HSLhsl(192, 41.7%, 14.1%)
HSV / HSBhsv(192, 58.8%, 20%)
CMYK58.8%, 11.8%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,387,827
CSS custom property--colour: #152D33;

Brightness & contrast

Relative luminance0.02275WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.43:1
Contrast with white14.43:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#EAD2CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#292C33no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#242833no green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#052F2Fno blue cones; rare, and affects men and women equally; ΔE 6.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.43:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.4Black · ΔE 19.6Dim grey · ΔE 29.3Slate grey · ΔE 36.5Gray · ΔE 38Teal · ΔE 38.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.35, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#331B15
Analogous#15332A, #151E33
Triadic#33152D, #2D3315
Split complementary#33151E, #332A15
Tetradic#2A1533, #331B15, #1E3315

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#59A7BB
Lighter +30%#428D9F
Lighter +20%#336D7B
Lighter +10%#244D57
Darker −10%#060D0F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C323C
Less saturated −25%#1E282A

Channel breakdown

R21
G45
B51
Red21 (8.2%)
Green45 (17.6%)
Blue51 (20%)
Hue192°
Saturation (HSL)41.67%
Lightness14.12%
Dominant channelBlue
Hex per channelR 15 · G 2D · B 33

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Every value on this page was computed from “152d33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.