Colour

#03115A

#03115A
Blue
Dark
Nearest: Midnight blue

#03115A is a blue with RGB values 3, 17, 90 and HSL 230°, 94%, 18%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#03115A#03115A

HEX#03115A

RGBrgb(3, 17, 90)

RGB (0–1)0.0118, 0.0667, 0.3529

RGB percentages1.2%, 6.7%, 35.3%

HSLhsl(230.3, 93.5%, 18.2%)

HSV / HSBhsv(230.3, 96.7%, 35.3%)

CMYK96.7%, 81.1%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer201,050

CSS custom property--colour: #03115A;

Brightness & contrast

Relative luminance0.01158WCAG 2.x, 0 is black and 1 is white

Perceived brightness33.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.05:1

Contrast with white17.05:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#131313

Inverted#FCEEA5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00205Cno red cones; affects about 1% of men; ΔE 12.4 from the original

Deuteranopia#001859no green cones; the most common form, about 1% of men; ΔE 6.6 from the original

Tritanopia#002734no blue cones; rare, and affects men and women equally; ΔE 47.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.05:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.1 Dark slateblue · ΔE 20.7 Rebecca purple · ΔE 27.9 Indigo · ΔE 28.4 Navy · ΔE 29.2 Dark blue · ΔE 34.2

Nearest named CSS colourMidnight blue (#191970)ΔE 9.12, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5A4C03

Analogous#033D5A, #20035A

Triadic#5A0311, #115A03

Split complementary#5A2003, #3D5A03

Tetradic#5A033D, #5A4C03, #035A20

Tints, shades & saturation

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

Lighter +40%#3151F8

Lighter +30%#082DEE

Lighter +20%#0624BD

Lighter +10%#051A8B

Darker −10%#010829

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000F5D

Less saturated −25%#0F194E

Channel breakdown

G17

B90

Red3 (1.2%)

Green17 (6.7%)

Blue90 (35.3%)

Hue230.34°

Saturation (HSL)93.55%

Lightness18.24%

Dominant channelBlue

Hex per channelR 03 · G 11 · B 5A

Keep nerding

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#03115A

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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