Colour

#010104

#010104
Blue
Dark
Nearest: Black

#010104 is a blue with RGB values 1, 1, 4 and HSL 240°, 60%, 1%. It is a dark colour, so white text on it reaches 20.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010104#010104

HEX#010104

RGBrgb(1, 1, 4)

RGB (0–1)0.0039, 0.0039, 0.0157

RGB percentages0.4%, 0.4%, 1.6%

HSLhsl(240, 60%, 1%)

HSV / HSBhsv(240, 75%, 1.6%)

CMYK75%, 75%, 0%, 98.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer65,796

CSS custom property--colour: #010104;

Brightness & contrast

Relative luminance0.00037WCAG 2.x, 0 is black and 1 is white

Perceived brightness1.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.85:1

Contrast with white20.85:1WCAG normal text: AAA

Contrast with black1.01:1WCAG normal text: Fail

Greyscale equivalent#010101

Inverted#FEFEFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000104no red cones; affects about 1% of men; ΔE 0.3 from the original

Deuteranopia#000104no green cones; the most common form, about 1% of men; ΔE 0.3 from the original

Tritanopia#000102no blue cones; rare, and affects men and women equally; ΔE 0.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.85:1WCAG large text: AAA

Contrast with black, large text1.01:1WCAG large text: Fail

Named colours

Black · ΔE 1.3 Dark slate grey · ΔE 33.3 Dim grey · ΔE 44.1 Gray · ΔE 53.3 Slate grey · ΔE 53.4 Dark olivegreen · ΔE 56

Nearest named CSS colourBlack (#000000)ΔE 1.25, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#040401

Analogous#010304, #030104

Triadic#040101, #010401

Split complementary#040301, #030401

Tetradic#040103, #040401, #010403

Tints, shades & saturation

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

Lighter +40%#2A2AA7

Lighter +30%#20207E

Lighter +20%#151556

Lighter +10%#0B0B2D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000005

Less saturated −25%#020203

Channel breakdown

Red1 (0.4%)

Green1 (0.4%)

Blue4 (1.6%)

Hue240°

Saturation (HSL)60%

Lightness0.98%

Dominant channelBlue

Hex per channelR 01 · G 01 · B 04

Keep nerding

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

#010104

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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