Recognised as Colour

#000523

#000523
Blue
Dark
Nearest: Black

#000523 is a blue with RGB values 0, 5, 35 and HSL 231°, 100%, 7%. It is a dark colour, so white text on it reaches 20.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#000523#000523

HEX#000523

RGBrgb(0, 5, 35)

RGB (0–1)0, 0.0196, 0.1373

RGB percentages0%, 2%, 13.7%

HSLhsl(231.4, 100%, 6.9%)

HSV / HSBhsv(231.4, 100%, 13.7%)

CMYK100%, 85.7%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,315

CSS custom property--colour: #000523;

Brightness & contrast

Relative luminance0.0023WCAG 2.x, 0 is black and 1 is white

Perceived brightness12.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.08:1

Contrast with white20.08:1WCAG normal text: AAA

Contrast with black1.05:1WCAG normal text: Fail

Greyscale equivalent#060606

Inverted#FFFADC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000924no red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#000622no green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#000D12no blue cones; rare, and affects men and women equally; ΔE 16.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.08:1WCAG large text: AAA

Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 19 Dark slate grey · ΔE 36.9 Dark slateblue · ΔE 42.7 Midnight blue · ΔE 43.2 Dim grey · ΔE 46.3 Slate grey · ΔE 51.9

Nearest named CSS colourBlack (#000000)ΔE 18.97, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#231E00

Analogous#001623, #0D0023

Triadic#230005, #052300

Split complementary#230D00, #162300

Tetradic#230016, #231E00, #00230D

Tints, shades & saturation

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

Lighter +40%#0022EF

Lighter +30%#001BBC

Lighter +20%#001489

Lighter +10%#000C56

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000523

Less saturated −25%#04081F

Channel breakdown

B35

Red0 (0%)

Green5 (2%)

Blue35 (13.7%)

Hue231.43°

Saturation (HSL)100%

Lightness6.86%

Dominant channelBlue

Hex per channelR 00 · G 05 · B 23

Keep nerding

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

#000523

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

Nerdulate something else