Colour

#001CEF

#001CEF
Blue
Dark
Nearest: Medium blue

#001CEF is a blue with RGB values 0, 28, 239 and HSL 233°, 100%, 47%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#001CEF#001CEF

HEX#001CEF

RGBrgb(0, 28, 239)

RGB (0–1)0, 0.1098, 0.9373

RGB percentages0%, 11%, 93.7%

HSLhsl(233, 100%, 46.9%)

HSV / HSBhsv(233, 100%, 93.7%)

CMYK100%, 88.3%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,407

CSS custom property--colour: #001CEF;

Brightness & contrast

Relative luminance0.07063WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.7:1

Contrast with white8.7:1WCAG normal text: AAA

Contrast with black2.41:1WCAG normal text: Fail

Greyscale equivalent#252525

Inverted#FFE310

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0057F4no red cones; affects about 1% of men; ΔE 34.8 from the original

Deuteranopia#003EECno green cones; the most common form, about 1% of men; ΔE 20 from the original

Tritanopia#00688Eno blue cones; rare, and affects men and women equally; ΔE 107.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.7:1WCAG large text: AAA

Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.8 Blue · ΔE 13 Blue violet · ΔE 26.7 Dark violet · ΔE 30.8 Dark blue · ΔE 40 Dark orchid · ΔE 41.2

Nearest named CSS colourMedium blue (#0000CD)ΔE 10.78, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#EFD300

Analogous#0093EF, #5C00EF

Triadic#EF001C, #1CEF00

Split complementary#EF5C00, #93EF00

Tetradic#EF0093, #EFD300, #00EF5C

Tints, shades & saturation

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

Lighter +40%#BCC4FF

Lighter +30%#8997FF

Lighter +20%#566AFF

Lighter +10%#233DFF

Darker −10%#0016BC

Darker −20%#001089

Darker −30%#000A56

Darker −40%#000423

More saturated +25%#001CEF

Less saturated −25%#1E33D1

Channel breakdown

G28

B239

Red0 (0%)

Green28 (11%)

Blue239 (93.7%)

Hue232.97°

Saturation (HSL)100%

Lightness46.86%

Dominant channelBlue

Hex per channelR 00 · G 1C · B EF

Keep nerding

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

#001CEF

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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