Recognised as Colour

#041721

#041721
Blue
Dark
Nearest: Black

#041721 is a blue with RGB values 4, 23, 33 and HSL 201°, 78%, 7%. 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

#041721#041721

HEX#041721

RGBrgb(4, 23, 33)

RGB (0–1)0.0157, 0.0902, 0.1294

RGB percentages1.6%, 9%, 12.9%

HSLhsl(200.7, 78.4%, 7.3%)

HSV / HSBhsv(200.7, 87.9%, 12.9%)

CMYK87.9%, 30.3%, 0%, 87.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer268,065

CSS custom property--colour: #041721;

Brightness & contrast

Relative luminance0.00748WCAG 2.x, 0 is black and 1 is white

Perceived brightness21 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.27:1

Contrast with white18.27:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#FBE8DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#121721no red cones; affects about 1% of men; ΔE 4.5 from the original

Deuteranopia#0E1421no green cones; the most common form, about 1% of men; ΔE 4.9 from the original

Tritanopia#001A1Ano blue cones; rare, and affects men and women equally; ΔE 8.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.27:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 11.9 Dark slate grey · ΔE 26.5 Dim grey · ΔE 38.9 Slate grey · ΔE 46.1 Gray · ΔE 47.8 Teal · ΔE 48.7

Nearest named CSS colourBlack (#000000)ΔE 11.9, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#210E04

Analogous#04211D, #040821

Triadic#210417, #172104

Split complementary#210408, #211D04

Tetradic#1D0421, #210E04, #082104

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#1A96D7

Lighter +30%#1576A9

Lighter +20%#0F567C

Lighter +10%#0A374E

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001825

Less saturated −25%#09161C

Channel breakdown

G23

B33

Red4 (1.6%)

Green23 (9%)

Blue33 (12.9%)

Hue200.69°

Saturation (HSL)78.38%

Lightness7.25%

Dominant channelBlue

Hex per channelR 04 · G 17 · B 21

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#041721

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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