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Recognised as Colour

#003775

  • #003775
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003775 is a blue with RGB values 0, 55, 117 and HSL 212°, 100%, 23%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003775#003775
HEX#003775
RGBrgb(0, 55, 117)
RGB (0–1)0, 0.2157, 0.4588
RGB percentages0%, 21.6%, 45.9%
HSLhsl(211.8, 100%, 22.9%)
HSV / HSBhsv(211.8, 100%, 45.9%)
CMYK100%, 53%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,197
CSS custom property--colour: #003775;

Brightness & contrast

Relative luminance0.04017WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.65:1
Contrast with white11.65:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#FFC88A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C3E77no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#003474no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#004650no blue cones; rare, and affects men and women equally; ΔE 38.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.65:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.1Midnight blue · ΔE 24.4Steel blue · ΔE 33.2Rebecca purple · ΔE 34.3Slate blue · ΔE 37.8Royal blue · ΔE 38.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#753E00
Analogous#007175, #040075
Triadic#750037, #377500
Split complementary#750400, #717500
Tetradic#750071, #753E00, #007504

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#429BFF
Lighter +30%#0F80FF
Lighter +20%#0067DB
Lighter +10%#004FA8
Darker −10%#001F42
Darker −20%#00070F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003775
Less saturated −25%#0F3866

Channel breakdown

R0
G55
B117
Red0 (0%)
Green55 (21.6%)
Blue117 (45.9%)
Hue211.79°
Saturation (HSL)100%
Lightness22.94%
Dominant channelBlue
Hex per channelR 00 · G 37 · B 75

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Every value on this page was computed from “hex 003775” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.