Recognised as Colour

#216DAE

#216DAE
Blue
Dark
Nearest: Steel blue

#216DAE is a blue with RGB values 33, 109, 174 and HSL 208°, 68%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#216DAE#216DAE

HEX#216DAE

RGBrgb(33, 109, 174)

RGB (0–1)0.1294, 0.4275, 0.6824

RGB percentages12.9%, 42.7%, 68.2%

HSLhsl(207.7, 68.1%, 40.6%)

HSV / HSBhsv(207.7, 81%, 68.2%)

CMYK81%, 37.4%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,190,766

CSS custom property--colour: #216DAE;

Brightness & contrast

Relative luminance0.14317WCAG 2.x, 0 is black and 1 is white

Perceived brightness103.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.44:1

Contrast with white5.44:1WCAG normal text: AA

Contrast with black3.86:1WCAG normal text: Fail

Greyscale equivalent#626262

Inverted#DE9251

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4E71B1no red cones; affects about 1% of men; ΔE 7.5 from the original

Deuteranopia#3964ADno green cones; the most common form, about 1% of men; ΔE 9.1 from the original

Tritanopia#007D85no blue cones; rare, and affects men and women equally; ΔE 38.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.44:1WCAG large text: AAA

Contrast with black, large text3.86:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.8 Cornflower blue · ΔE 20.9 Dodgerblue · ΔE 28.3 Dark slateblue · ΔE 28.8 Slate grey · ΔE 31.7 Light slate grey · ΔE 32.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 12.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AE6221

Analogous#21AEA9, #2126AE

Triadic#AE216D, #6DAE21

Split complementary#AE2127, #AEA921

Tetradic#A821AE, #AE6221, #26AE21

Tints, shades & saturation

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

Lighter +40%#ACD0EF

Lighter +30%#81B8E7

Lighter +20%#56A0DF

Lighter +10%#2B88D7

Darker −10%#195283

Darker −20%#113758

Darker −30%#091C2D

Darker −40%#000203

More saturated +25%#076FC8

Less saturated −25%#3B6B94

Channel breakdown

R33

G109

B174

Red33 (12.9%)

Green109 (42.7%)

Blue174 (68.2%)

Hue207.66°

Saturation (HSL)68.12%

Lightness40.59%

Dominant channelBlue

Hex per channelR 21 · G 6D · B AE

Keep nerding

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

#216DAE

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

Nerdulate something else