Colour

#04051D

#04051D
Blue
Dark
Nearest: Black

#04051D is a blue with RGB values 4, 5, 29 and HSL 238°, 76%, 6%. It is a dark colour, so white text on it reaches 20.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04051D#04051D

HEX#04051D

RGBrgb(4, 5, 29)

RGB (0–1)0.0157, 0.0196, 0.1137

RGB percentages1.6%, 2%, 11.4%

HSLhsl(237.6, 75.8%, 6.5%)

HSV / HSBhsv(237.6, 86.2%, 11.4%)

CMYK86.2%, 82.8%, 0%, 88.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer263,453

CSS custom property--colour: #04051D;

Brightness & contrast

Relative luminance0.00223WCAG 2.x, 0 is black and 1 is white

Perceived brightness10.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.1:1

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

Contrast with black1.04:1WCAG normal text: Fail

Greyscale equivalent#070707

Inverted#FBFAE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00081Eno red cones; affects about 1% of men; ΔE 2 from the original

Deuteranopia#00061Dno green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#000A0Fno blue cones; rare, and affects men and women equally; ΔE 12.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

Contrast with black, large text1.04:1WCAG large text: Fail

Named colours

Black · ΔE 14.2 Dark slate grey · ΔE 34.9 Dim grey · ΔE 44.7 Dark slateblue · ΔE 46 Midnight blue · ΔE 47.3 Slate grey · ΔE 51.3

Nearest named CSS colourBlack (#000000)ΔE 14.24, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D1C04

Analogous#04111D, #0F041D

Triadic#1D0405, #051D04

Split complementary#1D1004, #111D04

Tetradic#1D0412, #1D1C04, #041D10

Tints, shades & saturation

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

Lighter +40%#1D24D0

Lighter +30%#171CA3

Lighter +20%#101477

Lighter +10%#0A0D4A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000121

Less saturated −25%#080919

Channel breakdown

B29

Red4 (1.6%)

Green5 (2%)

Blue29 (11.4%)

Hue237.6°

Saturation (HSL)75.76%

Lightness6.47%

Dominant channelBlue

Hex per channelR 04 · G 05 · B 1D

Keep nerding

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#04051D

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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