Colour

#002D8B

#002D8B
Blue
Dark
Nearest: Midnight blue

#002D8B is a blue with RGB values 0, 45, 139 and HSL 221°, 100%, 27%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002D8B#002D8B

HEX#002D8B

RGBrgb(0, 45, 139)

RGB (0–1)0, 0.1765, 0.5451

RGB percentages0%, 17.6%, 54.5%

HSLhsl(220.6, 100%, 27.3%)

HSV / HSBhsv(220.6, 100%, 54.5%)

CMYK100%, 67.6%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,659

CSS custom property--colour: #002D8B;

Brightness & contrast

Relative luminance0.03741WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.01:1

Contrast with white12.01:1WCAG normal text: AAA

Contrast with black1.75:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#FFD274

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003D8Eno red cones; affects about 1% of men; ΔE 12.6 from the original

Deuteranopia#003089no green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#004758no blue cones; rare, and affects men and women equally; ΔE 56.5 from the original

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

Contrast with white, large text12.01:1WCAG large text: AAA

Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10 Dark slateblue · ΔE 15.5 Rebecca purple · ΔE 20.3 Slate blue · ΔE 24.3 Navy · ΔE 24.3 Indigo · ΔE 24.6

Nearest named CSS colourMidnight blue (#191970)ΔE 10.03, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B5E00

Analogous#00728B, #19008B

Triadic#8B002D, #2D8B00

Split complementary#8B1900, #728B00

Tetradic#8B0072, #8B5E00, #008B19

Tints, shades & saturation

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

Lighter +40%#588EFF

Lighter +30%#256CFF

Lighter +20%#004EF1

Lighter +10%#003EBE

Darker −10%#001C58

Darker −20%#000C25

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002D8B

Less saturated −25%#11337A

Channel breakdown

G45

B139

Red0 (0%)

Green45 (17.6%)

Blue139 (54.5%)

Hue220.58°

Saturation (HSL)100%

Lightness27.25%

Dominant channelBlue

Hex per channelR 00 · G 2D · B 8B

Keep nerding

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

#002D8B

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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