Colour

#001830

#001830
Blue
Dark
Nearest: Black

#001830 is a blue with RGB values 0, 24, 48 and HSL 210°, 100%, 9%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#001830#001830

HEX#001830

RGBrgb(0, 24, 48)

RGB (0–1)0, 0.0941, 0.1882

RGB percentages0%, 9.4%, 18.8%

HSLhsl(210, 100%, 9.4%)

HSV / HSBhsv(210, 100%, 18.8%)

CMYK100%, 50%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,192

CSS custom property--colour: #001830;

Brightness & contrast

Relative luminance0.00867WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.9:1

Contrast with white17.9:1WCAG normal text: AAA

Contrast with black1.17:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#FFE7CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0C1A31no red cones; affects about 1% of men; ΔE 2.8 from the original

Deuteranopia#041530no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#001E21no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.9:1WCAG large text: AAA

Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 20.4 Dark slate grey · ΔE 30.8 Dark slateblue · ΔE 40.9 Dim grey · ΔE 41.1 Midnight blue · ΔE 43.9 Slate grey · ΔE 45.9

Nearest named CSS colourBlack (#000000)ΔE 20.39, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#301800

Analogous#003030, #000030

Triadic#300018, #183000

Split complementary#300000, #303000

Tetradic#300030, #301800, #003000

Tints, shades & saturation

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

Lighter +40%#007EFC

Lighter +30%#0065C9

Lighter +20%#004B96

Lighter +10%#003263

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001830

Less saturated −25%#06182A

Channel breakdown

G24

B48

Red0 (0%)

Green24 (9.4%)

Blue48 (18.8%)

Hue210°

Saturation (HSL)100%

Lightness9.41%

Dominant channelBlue

Hex per channelR 00 · G 18 · B 30

Keep nerding

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#001830

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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