Colour

#1F4DDC

#1F4DDC
Blue
Dark
Nearest: Medium slateblue

#1F4DDC is a blue with RGB values 31, 77, 220 and HSL 225°, 75%, 49%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#1F4DDC#1F4DDC

HEX#1F4DDC

RGBrgb(31, 77, 220)

RGB (0–1)0.1216, 0.302, 0.8627

RGB percentages12.2%, 30.2%, 86.3%

HSLhsl(225.4, 75.3%, 49.2%)

HSV / HSBhsv(225.4, 85.9%, 86.3%)

CMYK85.9%, 65%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,051,548

CSS custom property--colour: #1F4DDC;

Brightness & contrast

Relative luminance0.10766WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.66:1

Contrast with white6.66:1WCAG normal text: AA

Contrast with black3.15:1WCAG normal text: Fail

Greyscale equivalent#4E4E4E

Inverted#E0B223

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0065E1no red cones; affects about 1% of men; ΔE 17.4 from the original

Deuteranopia#0054D9no green cones; the most common form, about 1% of men; ΔE 7.6 from the original

Tritanopia#00748Eno blue cones; rare, and affects men and women equally; ΔE 79 from the original

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

Contrast with white, large text6.66:1WCAG large text: AAA

Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.3 Royal blue · ΔE 19.1 Slate blue · ΔE 20 Dark blue · ΔE 28.1 Navy · ΔE 30 Rebecca purple · ΔE 30.3

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.26, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DCAE1F

Analogous#1FABDC, #501FDC

Triadic#DC1F4D, #4DDC1F

Split complementary#DC501F, #ABDC1F

Tetradic#DC1FAB, #DCAE1F, #1FDC50

Tints, shades & saturation

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

Lighter +40%#CFD9F8

Lighter +30%#A2B6F2

Lighter +20%#7592EC

Lighter +10%#496FE5

Darker −10%#193DAF

Darker −20%#122E83

Darker −30%#0C1E56

Darker −40%#060E29

More saturated +25%#003DFB

Less saturated −25%#3E5DBD

Channel breakdown

R31

G77

B220

Red31 (12.2%)

Green77 (30.2%)

Blue220 (86.3%)

Hue225.4°

Saturation (HSL)75.3%

Lightness49.22%

Dominant channelBlue

Hex per channelR 1F · G 4D · B DC

Keep nerding

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

#1F4DDC

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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