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Recognised as Colour

#303B36

  • #303B36
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#303B36 is a cyan with RGB values 48, 59, 54 and HSL 153°, 10%, 21%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#303B36#303B36
HEX#303B36
RGBrgb(48, 59, 54)
RGB (0–1)0.1882, 0.2314, 0.2118
RGB percentages18.8%, 23.1%, 21.2%
HSLhsl(152.7, 10.3%, 21%)
HSV / HSBhsv(152.7, 18.6%, 23.1%)
CMYK18.6%, 0%, 8.5%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,160,886
CSS custom property--colour: #303B36;

Brightness & contrast

Relative luminance0.04023WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.64:1
Contrast with white11.64:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#CFC4C9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A3936no red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#383836no green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#2E3B39no blue cones; rare, and affects men and women equally; ΔE 2.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.64:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.9Dim grey · ΔE 21.5Black · ΔE 24.5Gray · ΔE 30.4Slate grey · ΔE 31.7Light slate grey · ΔE 34.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.94, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B3035
Analogous#303B31, #303B3B
Triadic#36303B, #3B3630
Split complementary#3B303B, #3B3130
Tetradic#31303B, #3B3035, #3B3B30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91A69C
Lighter +30%#758F83
Lighter +20%#5E7369
Lighter +10%#475750
Darker −10%#191F1C
Darker −20%#020303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#234837
Less saturated −25%#363636

Channel breakdown

R48
G59
B54
Red48 (18.8%)
Green59 (23.1%)
Blue54 (21.2%)
Hue152.73°
Saturation (HSL)10.28%
Lightness20.98%
Dominant channelGreen
Hex per channelR 30 · G 3B · B 36

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Every value on this page was computed from “303b36” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.