Colour

#001023

#001023
Blue
Dark
Nearest: Black

#001023 is a blue with RGB values 0, 16, 35 and HSL 213°, 100%, 7%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#001023#001023

HEX#001023

RGBrgb(0, 16, 35)

RGB (0–1)0, 0.0627, 0.1373

RGB percentages0%, 6.3%, 13.7%

HSLhsl(212.6, 100%, 6.9%)

HSV / HSBhsv(212.6, 100%, 13.7%)

CMYK100%, 54.3%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,131

CSS custom property--colour: #001023;

Brightness & contrast

Relative luminance0.00492WCAG 2.x, 0 is black and 1 is white

Perceived brightness17 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.12:1

Contrast with white19.12:1WCAG normal text: AAA

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

Greyscale equivalent#0E0E0E

Inverted#FFEFDC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#071124no red cones; affects about 1% of men; ΔE 1.9 from the original

Deuteranopia#020E23no green cones; the most common form, about 1% of men; ΔE 1.7 from the original

Tritanopia#001517no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.12:1WCAG large text: AAA

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

Named colours

Black · ΔE 15 Dark slate grey · ΔE 31.5 Dim grey · ΔE 42.5 Dark slateblue · ΔE 45.8 Midnight blue · ΔE 48.2 Slate grey · ΔE 48.6

Nearest named CSS colourBlack (#000000)ΔE 15.03, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#231300

Analogous#002223, #020023

Triadic#230010, #102300

Split complementary#230100, #222300

Tetradic#230022, #231300, #002302

Tints, shades & saturation

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

Lighter +40%#006DEF

Lighter +30%#0056BC

Lighter +20%#003F89

Lighter +10%#002756

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001023

Less saturated −25%#04101F

Channel breakdown

G16

B35

Red0 (0%)

Green16 (6.3%)

Blue35 (13.7%)

Hue212.57°

Saturation (HSL)100%

Lightness6.86%

Dominant channelBlue

Hex per channelR 00 · G 10 · B 23

Keep nerding

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

#001023

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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