Colour

#010404

#010404
Cyan
Dark
Nearest: Black

#010404 is a cyan with RGB values 1, 4, 4 and HSL 180°, 60%, 1%. It is a dark colour, so white text on it reaches 20.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010404#010404

HEX#010404

RGBrgb(1, 4, 4)

RGB (0–1)0.0039, 0.0157, 0.0157

RGB percentages0.4%, 1.6%, 1.6%

HSLhsl(180, 60%, 1%)

HSV / HSBhsv(180, 75%, 1.6%)

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

24-bit integer66,564

CSS custom property--colour: #010404;

Brightness & contrast

Relative luminance0.00102WCAG 2.x, 0 is black and 1 is white

Perceived brightness3.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.58:1

Contrast with white20.58:1WCAG normal text: AAA

Contrast with black1.02:1WCAG normal text: Fail

Greyscale equivalent#030303

Inverted#FEFBFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#040404no red cones; affects about 1% of men; ΔE 0.8 from the original

Deuteranopia#030304no green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#000404no blue cones; rare, and affects men and women equally; ΔE 0.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.58:1WCAG large text: AAA

Contrast with black, large text1.02:1WCAG large text: Fail

Named colours

Black · ΔE 1.2 Dark slate grey · ΔE 32.4 Dim grey · ΔE 43.5 Gray · ΔE 52.7 Slate grey · ΔE 52.9 Dark olivegreen · ΔE 54.6

Nearest named CSS colourBlack (#000000)ΔE 1.24, below the just-noticeable difference

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#040101

Analogous#010403, #010304

Triadic#040104, #040401

Split complementary#040103, #040301

Tetradic#030104, #040101, #030401

Tints, shades & saturation

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

Lighter +40%#2AA7A7

Lighter +30%#207E7E

Lighter +20%#155656

Lighter +10%#0B2D2D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000505

Less saturated −25%#020303

Channel breakdown

Red1 (0.4%)

Green4 (1.6%)

Blue4 (1.6%)

Hue180°

Saturation (HSL)60%

Lightness0.98%

Dominant channelGreen and Blue

Hex per channelR 01 · G 04 · B 04

Keep nerding

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

#010404

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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