Colour

#040B2E

#040B2E
Blue
Dark
Nearest: Black

#040B2E is a blue with RGB values 4, 11, 46 and HSL 230°, 84%, 10%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040B2E#040B2E

HEX#040B2E

RGBrgb(4, 11, 46)

RGB (0–1)0.0157, 0.0431, 0.1804

RGB percentages1.6%, 4.3%, 18%

HSLhsl(230, 84%, 9.8%)

HSV / HSBhsv(230, 91.3%, 18%)

CMYK91.3%, 76.1%, 0%, 82%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer265,006

CSS custom property--colour: #040B2E;

Brightness & contrast

Relative luminance0.00462WCAG 2.x, 0 is black and 1 is white

Perceived brightness17.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.22:1

Contrast with white19.22:1WCAG normal text: AAA

Contrast with black1.09:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#FBF4D1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00112Fno red cones; affects about 1% of men; ΔE 4 from the original

Deuteranopia#000D2Dno green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#00141Ano blue cones; rare, and affects men and women equally; ΔE 21.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.22:1WCAG large text: AAA

Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 25.2 Midnight blue · ΔE 36.7 Dark slateblue · ΔE 36.8 Dark slate grey · ΔE 39.3 Dim grey · ΔE 47.3 Rebecca purple · ΔE 50.4

Nearest named CSS colourBlack (#000000)ΔE 25.18, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2E2704

Analogous#04202E, #12042E

Triadic#2E040B, #0B2E04

Split complementary#2E1204, #202E04

Tetradic#2E0420, #2E2704, #042E12

Tints, shades & saturation

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

Lighter +40%#1438EA

Lighter +30%#102DBB

Lighter +20%#0C218C

Lighter +10%#08165D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000832

Less saturated −25%#0A0F28

Channel breakdown

G11

B46

Red4 (1.6%)

Green11 (4.3%)

Blue46 (18%)

Hue230°

Saturation (HSL)84%

Lightness9.8%

Dominant channelBlue

Hex per channelR 04 · G 0B · B 2E

Keep nerding

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

#040B2E

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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