Colour

#04030F

#04030F
Blue
Dark
Nearest: Black

#04030F is a blue with RGB values 4, 3, 15 and HSL 245°, 67%, 4%. 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

#04030F#04030F

HEX#04030F

RGBrgb(4, 3, 15)

RGB (0–1)0.0157, 0.0118, 0.0588

RGB percentages1.6%, 1.2%, 5.9%

HSLhsl(245, 66.7%, 3.5%)

HSV / HSBhsv(245, 80%, 5.9%)

CMYK73.3%, 80%, 0%, 94.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer262,927

CSS custom property--colour: #04030F;

Brightness & contrast

Relative luminance0.00125WCAG 2.x, 0 is black and 1 is white

Perceived brightness6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.49:1

Contrast with white20.49:1WCAG normal text: AAA

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

Greyscale equivalent#040404

Inverted#FBFCF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#01040Fno red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#00040Fno green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#020507no blue cones; rare, and affects men and women equally; ΔE 4.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.49:1WCAG large text: AAA

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

Named colours

Black · ΔE 5.3 Dark slate grey · ΔE 33.1 Dim grey · ΔE 43.6 Slate grey · ΔE 52.2 Gray · ΔE 52.7 Dark slateblue · ΔE 53.4

Nearest named CSS colourBlack (#000000)ΔE 5.27, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0E0F03

Analogous#03080F, #0A030F

Triadic#0F0403, #030F04

Split complementary#0F0A03, #080F03

Tetradic#0F0308, #0E0F03, #030F0A

Tints, shades & saturation

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

Lighter +40%#3125B9

Lighter +30%#261C8F

Lighter +20%#1B1464

Lighter +10%#0F0B3A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#020111

Less saturated −25%#06050D

Channel breakdown

B15

Red4 (1.6%)

Green3 (1.2%)

Blue15 (5.9%)

Hue245°

Saturation (HSL)66.67%

Lightness3.53%

Dominant channelBlue

Hex per channelR 04 · G 03 · B 0F

Keep nerding

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

#04030F

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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