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Recognised as Colour

#21644A

  • #21644A
  • Cyan
  • Dark
  • Nearest: Teal

#21644A is a cyan with RGB values 33, 100, 74 and HSL 157°, 50%, 26%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Teal.

Colour values

#21644A#21644A
HEX#21644A
RGBrgb(33, 100, 74)
RGB (0–1)0.1294, 0.3922, 0.2902
RGB percentages12.9%, 39.2%, 29%
HSLhsl(156.7, 50.4%, 26.1%)
HSV / HSBhsv(156.7, 67%, 39.2%)
CMYK67%, 0%, 26%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,188,362
CSS custom property--colour: #21644A;

Brightness & contrast

Relative luminance0.09932WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.03:1
Contrast with white7.03:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#DE9BB5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#625D49no red cones; affects about 1% of men; ΔE 26.6 from the original
Deuteranopia#59564Cno green cones; the most common form, about 1% of men; ΔE 27.3 from the original
Tritanopia#00645Dno blue cones; rare, and affects men and women equally; ΔE 11.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.03:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Teal · ΔE 20.1Dark slate grey · ΔE 21.4Sea green · ΔE 21.4Dark cyan · ΔE 23Dark olivegreen · ΔE 24.2Cadetblue · ΔE 29.6
Nearest named CSS colourTeal (#008080)ΔE 20.14, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#64213B
Analogous#216429, #215D64
Triadic#4A2164, #644A21
Split complementary#64215D, #642921
Tetradic#282164, #64213B, #5C6421

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7DD4B2
Lighter +30%#57C79C
Lighter +20%#3AB183
Lighter +10%#2E8A66
Darker −10%#143E2E
Darker −20%#081711
Darker −30%#000000
Darker −40%#000000
More saturated +25%#10754E
Less saturated −25%#325346

Channel breakdown

R33
G100
B74
Red33 (12.9%)
Green100 (39.2%)
Blue74 (29%)
Hue156.72°
Saturation (HSL)50.38%
Lightness26.08%
Dominant channelGreen
Hex per channelR 21 · G 64 · B 4A

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Every value on this page was computed from “21644a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.