Colour

#1D2CAF

#1D2CAF
Blue
Dark
Nearest: Dark blue

#1D2CAF is a blue with RGB values 29, 44, 175 and HSL 234°, 72%, 40%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1D2CAF#1D2CAF

HEX#1D2CAF

RGBrgb(29, 44, 175)

RGB (0–1)0.1137, 0.1725, 0.6863

RGB percentages11.4%, 17.3%, 68.6%

HSLhsl(233.8, 71.6%, 40%)

HSV / HSBhsv(233.8, 83.4%, 68.6%)

CMYK83.4%, 74.9%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,911,983

CSS custom property--colour: #1D2CAF;

Brightness & contrast

Relative luminance0.05158WCAG 2.x, 0 is black and 1 is white

Perceived brightness69.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.34:1

Contrast with white10.34:1WCAG normal text: AAA

Contrast with black2.03:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#E2D350

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0047B3no red cones; affects about 1% of men; ΔE 20 from the original

Deuteranopia#0039ADno green cones; the most common form, about 1% of men; ΔE 11.4 from the original

Tritanopia#00536Bno blue cones; rare, and affects men and women equally; ΔE 74.8 from the original

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

Contrast with white, large text10.34:1WCAG large text: AAA

Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.5 Navy · ΔE 15.8 Indigo · ΔE 20 Slate blue · ΔE 23 Rebecca purple · ΔE 23.6 Medium slateblue · ΔE 25.5

Nearest named CSS colourDark blue (#00008B)ΔE 14.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AFA01D

Analogous#1D75AF, #571DAF

Triadic#AF1D2C, #2CAF1D

Split complementary#AF571D, #75AF1D

Tetradic#AF1D75, #AFA01D, #1DAF57

Tints, shades & saturation

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

Lighter +40%#A8AFF1

Lighter +30%#7C87E9

Lighter +20%#505FE2

Lighter +10%#2437DB

Darker −10%#162183

Darker −20%#0F1658

Darker −30%#070B2C

Darker −40%#000000

More saturated +25%#0418C9

Less saturated −25%#374096

Channel breakdown

R29

G44

B175

Red29 (11.4%)

Green44 (17.3%)

Blue175 (68.6%)

Hue233.84°

Saturation (HSL)71.57%

Lightness40%

Dominant channelBlue

Hex per channelR 1D · G 2C · B AF

Keep nerding

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#1D2CAF

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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