Recognised as Colour

#010023

#010023
Blue
Dark
Nearest: Black

#010023 is a blue with RGB values 1, 0, 35 and HSL 242°, 100%, 7%. It is a dark colour, so white text on it reaches 20.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010023#010023

HEX#010023

RGBrgb(1, 0, 35)

RGB (0–1)0.0039, 0, 0.1373

RGB percentages0.4%, 0%, 13.7%

HSLhsl(241.7, 100%, 6.9%)

HSV / HSBhsv(241.7, 100%, 13.7%)

CMYK97.1%, 100%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer65,571

CSS custom property--colour: #010023;

Brightness & contrast

Relative luminance0.00128WCAG 2.x, 0 is black and 1 is white

Perceived brightness11.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.48:1

Contrast with white20.48:1WCAG normal text: AAA

Contrast with black1.03:1WCAG normal text: Fail

Greyscale equivalent#030303

Inverted#FEFFDC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000624no red cones; affects about 1% of men; ΔE 2.8 from the original

Deuteranopia#000322no green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#000810no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.48:1WCAG large text: AAA

Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 21 Dark slate grey · ΔE 39.2 Midnight blue · ΔE 41.1 Dark slateblue · ΔE 41.5 Dim grey · ΔE 48.1 Slate grey · ΔE 53.4

Nearest named CSS colourBlack (#000000)ΔE 20.99, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#222300

Analogous#001023, #130023

Triadic#230100, #002301

Split complementary#231300, #102300

Tetradic#230010, #222300, #002313

Tints, shades & saturation

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

Lighter +40%#0700EF

Lighter +30%#0500BC

Lighter +20%#040089

Lighter +10%#020056

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#010023

Less saturated −25%#05041F

Channel breakdown

B35

Red1 (0.4%)

Green0 (0%)

Blue35 (13.7%)

Hue241.71°

Saturation (HSL)100%

Lightness6.86%

Dominant channelBlue

Hex per channelR 01 · G 00 · B 23

Keep nerding

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

#010023

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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