Colour

#051B63

#051B63
Blue
Dark
Nearest: Midnight blue

#051B63 is a blue with RGB values 5, 27, 99 and HSL 226°, 90%, 20%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#051B63#051B63

HEX#051B63

RGBrgb(5, 27, 99)

RGB (0–1)0.0196, 0.1059, 0.3882

RGB percentages2%, 10.6%, 38.8%

HSLhsl(226, 90.4%, 20.4%)

HSV / HSBhsv(226, 94.9%, 38.8%)

CMYK94.9%, 72.7%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer334,691

CSS custom property--colour: #051B63;

Brightness & contrast

Relative luminance0.01717WCAG 2.x, 0 is black and 1 is white

Perceived brightness39.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.63:1

Contrast with white15.63:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#FAE49C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002865no red cones; affects about 1% of men; ΔE 11.1 from the original

Deuteranopia#001F62no green cones; the most common form, about 1% of men; ΔE 4.3 from the original

Tritanopia#002F3Cno blue cones; rare, and affects men and women equally; ΔE 46 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.63:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.8 Dark slateblue · ΔE 17.2 Rebecca purple · ΔE 27.1 Indigo · ΔE 30.1 Navy · ΔE 31.4 Dark blue · ΔE 36.2

Nearest named CSS colourMidnight blue (#191970)ΔE 9.81, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#634D05

Analogous#054A63, #1E0563

Triadic#63051B, #1B6305

Split complementary#631E05, #4A6305

Tetradic#63054A, #634D05, #05631E

Tints, shades & saturation

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

Lighter +40%#3F69F5

Lighter +30%#0E44F3

Lighter +20%#0A35C4

Lighter +10%#072894

Darker −10%#030E32

Darker −20%#000102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001868

Less saturated −25%#122256

Channel breakdown

G27

B99

Red5 (2%)

Green27 (10.6%)

Blue99 (38.8%)

Hue225.96°

Saturation (HSL)90.38%

Lightness20.39%

Dominant channelBlue

Hex per channelR 05 · G 1B · B 63

Keep nerding

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

#051B63

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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