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Recognised as Colour

#03211C

  • #03211C
  • Cyan
  • Dark
  • Nearest: Black

#03211C is a cyan with RGB values 3, 33, 28 and HSL 170°, 83%, 7%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#03211C#03211C
HEX#03211C
RGBrgb(3, 33, 28)
RGB (0–1)0.0118, 0.1294, 0.1098
RGB percentages1.2%, 12.9%, 11%
HSLhsl(170, 83.3%, 7.1%)
HSV / HSBhsv(170, 90.9%, 12.9%)
CMYK90.9%, 0%, 15.2%, 87.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer205,084
CSS custom property--colour: #03211C;

Brightness & contrast

Relative luminance0.01191WCAG 2.x, 0 is black and 1 is white
Perceived brightness27 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.96:1
Contrast with white16.96:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FCDEE3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F1E1Cno red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#1B1B1Cno green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#00221Fno blue cones; rare, and affects men and women equally; ΔE 1.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.96:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 16.6Dark slate grey · ΔE 21.1Dim grey · ΔE 36.3Teal · ΔE 41.9Dark olivegreen · ΔE 44.4Slate grey · ΔE 45
Nearest named CSS colourBlack (#000000)ΔE 16.56, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#210308
Analogous#03210D, #031721
Triadic#1C0321, #211C03
Split complementary#210317, #210D03
Tetradic#0D0321, #210308, #172103

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#14DCBB
Lighter +30%#10AD93
Lighter +20%#0B7F6B
Lighter +10%#075044
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00241E
Less saturated −25%#071D19

Channel breakdown

R3
G33
B28
Red3 (1.2%)
Green33 (12.9%)
Blue28 (11%)
Hue170°
Saturation (HSL)83.33%
Lightness7.06%
Dominant channelGreen
Hex per channelR 03 · G 21 · B 1C

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Every value on this page was computed from “03211c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.