Recognised as Colour

#1D17FB

#1D17FB
Blue
Dark
Nearest: Blue

#1D17FB is a blue with RGB values 29, 23, 251 and HSL 242°, 97%, 54%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1D17FB#1D17FB

HEX#1D17FB

RGBrgb(29, 23, 251)

RGB (0–1)0.1137, 0.0902, 0.9843

RGB percentages11.4%, 9%, 98.4%

HSLhsl(241.6, 96.6%, 53.7%)

HSV / HSBhsv(241.6, 90.8%, 98.4%)

CMYK88.4%, 90.8%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,906,683

CSS custom property--colour: #1D17FB;

Brightness & contrast

Relative luminance0.07839WCAG 2.x, 0 is black and 1 is white

Perceived brightness88 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.18:1

Contrast with white8.18:1WCAG normal text: AAA

Contrast with black2.57:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#E2E804

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BFFno red cones; affects about 1% of men; ΔE 38.2 from the original

Deuteranopia#0042F8no green cones; the most common form, about 1% of men; ΔE 23 from the original

Tritanopia#006C95no blue cones; rare, and affects men and women equally; ΔE 112.8 from the original

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

Contrast with white, large text8.18:1WCAG large text: AAA

Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Blue · ΔE 6.8 Medium blue · ΔE 16.3 Blue violet · ΔE 30.2 Dark violet · ΔE 33.6 Dark orchid · ΔE 45.3 Dark blue · ΔE 46.2

Nearest named CSS colourBlue (#0000FF)ΔE 6.76, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F5FB17

Analogous#1783FB, #8F17FB

Triadic#FB1D17, #17FB1D

Split complementary#FB8F17, #83FB17

Tetradic#FB1783, #F5FB17, #17FB8F

Tints, shades & saturation

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

Lighter +40%#E0E0FE

Lighter +30%#B0ADFE

Lighter +20%#7F7BFD

Lighter +10%#4E49FC

Darker −10%#0904DB

Darker −20%#0703A9

Darker −30%#050277

Darker −40%#030145

More saturated +25%#1913FF

Less saturated −25%#3935DD

Channel breakdown

R29

G23

B251

Red29 (11.4%)

Green23 (9%)

Blue251 (98.4%)

Hue241.58°

Saturation (HSL)96.61%

Lightness53.73%

Dominant channelBlue

Hex per channelR 1D · G 17 · B FB

Keep nerding

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

#1D17FB

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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