Colour

#001A58

#001A58
Blue
Dark
Nearest: Midnight blue

#001A58 is a blue with RGB values 0, 26, 88 and HSL 222°, 100%, 17%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001A58#001A58

HEX#001A58

RGBrgb(0, 26, 88)

RGB (0–1)0, 0.102, 0.3451

RGB percentages0%, 10.2%, 34.5%

HSLhsl(222.3, 100%, 17.3%)

HSV / HSBhsv(222.3, 100%, 34.5%)

CMYK100%, 70.5%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,744

CSS custom property--colour: #001A58;

Brightness & contrast

Relative luminance0.01443WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.3:1

Contrast with white16.3:1WCAG normal text: AAA

Contrast with black1.29:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#FFE5A7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00245Ano red cones; affects about 1% of men; ΔE 8.5 from the original

Deuteranopia#001C57no green cones; the most common form, about 1% of men; ΔE 2.5 from the original

Tritanopia#002B36no blue cones; rare, and affects men and women equally; ΔE 40.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.3:1WCAG large text: AAA

Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 16.3 Dark slateblue · ΔE 19.9 Rebecca purple · ΔE 32.3 Indigo · ΔE 36.1 Navy · ΔE 37.7 Slate blue · ΔE 41.3

Nearest named CSS colourMidnight blue (#191970)ΔE 16.32, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#583E00

Analogous#004658, #120058

Triadic#58001A, #1A5800

Split complementary#581200, #465800

Tetradic#580046, #583E00, #005812

Tints, shades & saturation

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

Lighter +40%#2565FF

Lighter +30%#0047F1

Lighter +20%#0038BE

Lighter +10%#00298B

Darker −10%#000B25

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001A58

Less saturated −25%#0B1F4D

Channel breakdown

G26

B88

Red0 (0%)

Green26 (10.2%)

Blue88 (34.5%)

Hue222.27°

Saturation (HSL)100%

Lightness17.25%

Dominant channelBlue

Hex per channelR 00 · G 1A · B 58

Keep nerding

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#001A58

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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