Colour

#2800CB

#2800CB
Blue
Dark
Nearest: Medium blue

#2800CB is a blue with RGB values 40, 0, 203 and HSL 252°, 100%, 40%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2800CB#2800CB

HEX#2800CB

RGBrgb(40, 0, 203)

RGB (0–1)0.1569, 0, 0.7961

RGB percentages15.7%, 0%, 79.6%

HSLhsl(251.8, 100%, 39.8%)

HSV / HSBhsv(251.8, 100%, 79.6%)

CMYK80.3%, 100%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,621,643

CSS custom property--colour: #2800CB;

Brightness & contrast

Relative luminance0.04763WCAG 2.x, 0 is black and 1 is white

Perceived brightness71.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.75:1

Contrast with white10.75:1WCAG normal text: AAA

Contrast with black1.95:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#D7FF34

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0046D0no red cones; affects about 1% of men; ΔE 33.7 from the original

Deuteranopia#0034C8no green cones; the most common form, about 1% of men; ΔE 23.8 from the original

Tritanopia#005376no blue cones; rare, and affects men and women equally; ΔE 97.9 from the original

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

Contrast with white, large text10.75:1WCAG large text: AAA

Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Medium blue · ΔE 3.2 Blue violet · ΔE 21.4 Blue · ΔE 23.6 Dark violet · ΔE 24.4 Dark blue · ΔE 28.3 Dark orchid · ΔE 33.3

Nearest named CSS colourMedium blue (#0000CD)ΔE 3.18, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A3CB00

Analogous#003DCB, #8E00CB

Triadic#CB2800, #00CB28

Split complementary#CB8E00, #3DCB00

Tetradic#CB003D, #A3CB00, #00CB8E

Tints, shades & saturation

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

Lighter +40%#AC98FF

Lighter +30%#8365FF

Lighter +20%#5A32FF

Lighter +10%#3200FE

Darker −10%#1E0098

Darker −20%#140065

Darker −30%#0A0032

Darker −40%#000000

More saturated +25%#2800CB

Less saturated −25%#3719B2

Channel breakdown

R40

B203

Red40 (15.7%)

Green0 (0%)

Blue203 (79.6%)

Hue251.82°

Saturation (HSL)100%

Lightness39.8%

Dominant channelBlue

Hex per channelR 28 · G 00 · B CB

Keep nerding

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

#2800CB

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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