Colour

#001C3F

#001C3F
Blue
Dark
Nearest: Black

#001C3F is a blue with RGB values 0, 28, 63 and HSL 213°, 100%, 12%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#001C3F#001C3F

HEX#001C3F

RGBrgb(0, 28, 63)

RGB (0–1)0, 0.1098, 0.2471

RGB percentages0%, 11%, 24.7%

HSLhsl(213.3, 100%, 12.4%)

HSV / HSBhsv(213.3, 100%, 24.7%)

CMYK100%, 55.6%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,231

CSS custom property--colour: #001C3F;

Brightness & contrast

Relative luminance0.01189WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.96:1

Contrast with white16.96:1WCAG normal text: AAA

Contrast with black1.24:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#FFE3C0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#071F40no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#001A3Eno green cones; the most common form, about 1% of men; ΔE 1.5 from the original

Tritanopia#00252Ano blue cones; rare, and affects men and women equally; ΔE 24.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.96:1WCAG large text: AAA

Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 28 Dark slateblue · ΔE 33.2 Dark slate grey · ΔE 34.7 Midnight blue · ΔE 35.9 Dim grey · ΔE 42.7 Steel blue · ΔE 43.7

Nearest named CSS colourBlack (#000000)ΔE 28, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3F2300

Analogous#003C3F, #03003F

Triadic#3F001C, #1C3F00

Split complementary#3F0300, #3C3F00

Tetradic#3F003C, #3F2300, #003F03

Tints, shades & saturation

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

Lighter +40%#0C78FF

Lighter +30%#0060D8

Lighter +20%#0049A5

Lighter +10%#003372

Darker −10%#00050C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001C3F

Less saturated −25%#081D37

Channel breakdown

G28

B63

Red0 (0%)

Green28 (11%)

Blue63 (24.7%)

Hue213.33°

Saturation (HSL)100%

Lightness12.35%

Dominant channelBlue

Hex per channelR 00 · G 1C · B 3F

Keep nerding

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

#001C3F

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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