Recognised as Colour

#01031C

#01031C
Blue
Dark
Nearest: Black

#01031C is a blue with RGB values 1, 3, 28 and HSL 236°, 93%, 6%. It is a dark colour, so white text on it reaches 20.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#01031C#01031C

HEX#01031C

RGBrgb(1, 3, 28)

RGB (0–1)0.0039, 0.0118, 0.1098

RGB percentages0.4%, 1.2%, 11%

HSLhsl(235.6, 93.1%, 5.7%)

HSV / HSBhsv(235.6, 96.4%, 11%)

CMYK96.4%, 89.3%, 0%, 89%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer66,332

CSS custom property--colour: #01031C;

Brightness & contrast

Relative luminance0.00155WCAG 2.x, 0 is black and 1 is white

Perceived brightness9.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.37:1

Contrast with white20.37:1WCAG normal text: AAA

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

Greyscale equivalent#040404

Inverted#FEFCE3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00061Dno red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#00041Cno green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#00080Dno 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 text20.37:1WCAG large text: AAA

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

Named colours

Black · ΔE 14.2 Dark slate grey · ΔE 35.3 Dim grey · ΔE 45.3 Dark slateblue · ΔE 46.4 Midnight blue · ΔE 47.6 Slate grey · ΔE 51.9

Nearest named CSS colourBlack (#000000)ΔE 14.19, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1C1A01

Analogous#01111C, #0C011C

Triadic#1C0103, #031C01

Split complementary#1C0C01, #111C01

Tetradic#1C0111, #1C1A01, #011C0C

Tints, shades & saturation

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

Lighter +40%#0818E1

Lighter +30%#0613B0

Lighter +20%#050E7E

Lighter +10%#03084D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00021D

Less saturated −25%#050618

Channel breakdown

B28

Red1 (0.4%)

Green3 (1.2%)

Blue28 (11%)

Hue235.56°

Saturation (HSL)93.1%

Lightness5.69%

Dominant channelBlue

Hex per channelR 01 · G 03 · B 1C

Keep nerding

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

#01031C

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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