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Recognised as Colour

#061621

  • #061621
  • Blue
  • Dark
  • Nearest: Black

#061621 is a blue with RGB values 6, 22, 33 and HSL 204°, 69%, 8%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#061621#061621
HEX#061621
RGBrgb(6, 22, 33)
RGB (0–1)0.0235, 0.0863, 0.1294
RGB percentages2.4%, 8.6%, 12.9%
HSLhsl(204.4, 69.2%, 7.6%)
HSV / HSBhsv(204.4, 81.8%, 12.9%)
CMYK81.8%, 33.3%, 0%, 87.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer398,881
CSS custom property--colour: #061621;

Brightness & contrast

Relative luminance0.00722WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.35:1
Contrast with white18.35:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#F9E9DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#111622no red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#0D1321no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00191Ano blue cones; rare, and affects men and women equally; ΔE 8.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.35:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 11.8Dark slate grey · ΔE 27.2Dim grey · ΔE 39.1Slate grey · ΔE 46.3Gray · ΔE 48.1Dark slateblue · ΔE 49.4
Nearest named CSS colourBlack (#000000)ΔE 11.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#211106
Analogous#06211F, #060921
Triadic#210616, #162106
Split complementary#210609, #211F06
Tetradic#1F0621, #211106, #082106

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2589CE
Lighter +30%#1E6CA2
Lighter +20%#165077
Lighter +10%#0E334C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#011726
Less saturated −25%#0B151C

Channel breakdown

R6
G22
B33
Red6 (2.4%)
Green22 (8.6%)
Blue33 (12.9%)
Hue204.44°
Saturation (HSL)69.23%
Lightness7.65%
Dominant channelBlue
Hex per channelR 06 · G 16 · B 21

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Every value on this page was computed from “hex 061621” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.