Colour

#030BCB

#030BCB
Blue
Dark
Nearest: Medium blue

#030BCB is a blue with RGB values 3, 11, 203 and HSL 238°, 97%, 40%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#030BCB#030BCB

HEX#030BCB

RGBrgb(3, 11, 203)

RGB (0–1)0.0118, 0.0431, 0.7961

RGB percentages1.2%, 4.3%, 79.6%

HSLhsl(237.6, 97.1%, 40.4%)

HSV / HSBhsv(237.6, 98.5%, 79.6%)

CMYK98.5%, 94.6%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer199,627

CSS custom property--colour: #030BCB;

Brightness & contrast

Relative luminance0.04571WCAG 2.x, 0 is black and 1 is white

Perceived brightness69.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.97:1

Contrast with white10.97:1WCAG normal text: AAA

Contrast with black1.91:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#FCF434

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0046D0no red cones; affects about 1% of men; ΔE 31.9 from the original

Deuteranopia#0031C8no green cones; the most common form, about 1% of men; ΔE 19.9 from the original

Tritanopia#005577no blue cones; rare, and affects men and women equally; ΔE 97.5 from the original

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

Contrast with white, large text10.97:1WCAG large text: AAA

Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Medium blue · ΔE 3.4 Blue violet · ΔE 22.9 Blue · ΔE 24.5 Dark violet · ΔE 26.6 Dark blue · ΔE 27.3 Navy · ΔE 32.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 3.45, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CBC303

Analogous#036FCB, #5F03CB

Triadic#CB030B, #0BCB03

Split complementary#CB5F03, #6FCB03

Tetradic#CB036F, #CBC303, #03CB5F

Tints, shades & saturation

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

Lighter +40%#9CA0FE

Lighter +30%#6A70FD

Lighter +20%#3840FC

Lighter +10%#0610FB

Darker −10%#020899

Darker −20%#020666

Darker −30%#010334

Darker −40%#000002

More saturated +25%#0008CE

Less saturated −25%#1D23B1

Channel breakdown

G11

B203

Red3 (1.2%)

Green11 (4.3%)

Blue203 (79.6%)

Hue237.6°

Saturation (HSL)97.09%

Lightness40.39%

Dominant channelBlue

Hex per channelR 03 · G 0B · B CB

Keep nerding

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

#030BCB

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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