Colour

#033ADD

#033ADD
Blue
Dark
Nearest: Medium blue

#033ADD is a blue with RGB values 3, 58, 221 and HSL 225°, 97%, 44%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#033ADD#033ADD

HEX#033ADD

RGBrgb(3, 58, 221)

RGB (0–1)0.0118, 0.2275, 0.8667

RGB percentages1.2%, 22.7%, 86.7%

HSLhsl(224.9, 97.3%, 43.9%)

HSV / HSBhsv(224.9, 98.6%, 86.7%)

CMYK98.6%, 73.8%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer211,677

CSS custom property--colour: #033ADD;

Brightness & contrast

Relative luminance0.08266WCAG 2.x, 0 is black and 1 is white

Perceived brightness86.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.92:1

Contrast with white7.92:1WCAG normal text: AAA

Contrast with black2.65:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#FCC522

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BE2no red cones; affects about 1% of men; ΔE 23.1 from the original

Deuteranopia#0047DAno green cones; the most common form, about 1% of men; ΔE 11.1 from the original

Tritanopia#006B89no blue cones; rare, and affects men and women equally; ΔE 89.1 from the original

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

Contrast with white, large text7.92:1WCAG large text: AAA

Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Medium blue · ΔE 20.8 Blue violet · ΔE 23.6 Dark blue · ΔE 25.5 Medium slateblue · ΔE 27.7 Navy · ΔE 29.6 Dark orchid · ΔE 30.4

Nearest named CSS colourMedium blue (#0000CD)ΔE 20.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DDA603

Analogous#03A7DD, #3903DD

Triadic#DD033A, #3ADD03

Split complementary#DD3903, #A7DD03

Tetradic#DD03A7, #DDA603, #03DD39

Tints, shades & saturation

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

Lighter +40%#AEC2FE

Lighter +30%#7C9CFD

Lighter +20%#4977FD

Lighter +10%#1751FC

Darker −10%#022DAB

Darker −20%#022078

Darker −30%#011246

Darker −40%#000514

More saturated +25%#0039E0

Less saturated −25%#1F48C1

Channel breakdown

G58

B221

Red3 (1.2%)

Green58 (22.7%)

Blue221 (86.7%)

Hue224.86°

Saturation (HSL)97.32%

Lightness43.92%

Dominant channelBlue

Hex per channelR 03 · G 3A · B DD

Keep nerding

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

#033ADD

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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