Recognised as Colour

#00154C

#00154C
Blue
Dark
Nearest: Midnight blue

#00154C is a blue with RGB values 0, 21, 76 and HSL 223°, 100%, 15%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00154C#00154C

HEX#00154C

RGBrgb(0, 21, 76)

RGB (0–1)0, 0.0824, 0.298

RGB percentages0%, 8.2%, 29.8%

HSLhsl(223.4, 100%, 14.9%)

HSV / HSBhsv(223.4, 100%, 29.8%)

CMYK100%, 72.4%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,452

CSS custom property--colour: #00154C;

Brightness & contrast

Relative luminance0.01058WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.33:1

Contrast with white17.33:1WCAG normal text: AAA

Contrast with black1.21:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#FFEAB3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001E4Eno red cones; affects about 1% of men; ΔE 7.7 from the original

Deuteranopia#00174Bno green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#00242Eno blue cones; rare, and affects men and women equally; ΔE 36.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.33:1WCAG large text: AAA

Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 20.5 Dark slateblue · ΔE 23.7 Rebecca purple · ΔE 36.2 Indigo · ΔE 39.7 Black · ΔE 41.2 Navy · ΔE 41.5

Nearest named CSS colourMidnight blue (#191970)ΔE 20.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4C3700

Analogous#003B4C, #11004C

Triadic#4C0015, #154C00

Split complementary#4C1100, #3B4C00

Tetradic#4C003B, #4C3700, #004C11

Tints, shades & saturation

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

Lighter +40%#1959FF

Lighter +30%#003FE5

Lighter +20%#0031B2

Lighter +10%#00237F

Darker −10%#000719

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00154C

Less saturated −25%#0A1942

Channel breakdown

G21

B76

Red0 (0%)

Green21 (8.2%)

Blue76 (29.8%)

Hue223.42°

Saturation (HSL)100%

Lightness14.9%

Dominant channelBlue

Hex per channelR 00 · G 15 · B 4C

Keep nerding

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

#00154C

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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