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Recognised as Colour

#2D3575

  • #2D3575
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D3575 is a blue with RGB values 45, 53, 117 and HSL 233°, 44%, 32%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D3575#2D3575
HEX#2D3575
RGBrgb(45, 53, 117)
RGB (0–1)0.1765, 0.2078, 0.4588
RGB percentages17.6%, 20.8%, 45.9%
HSLhsl(233.3, 44.4%, 31.8%)
HSV / HSBhsv(233.3, 61.5%, 45.9%)
CMYK61.5%, 54.7%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,962,805
CSS custom property--colour: #2D3575;

Brightness & contrast

Relative luminance0.04388WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.18:1
Contrast with white11.18:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#D2CA8A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#103E77no red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#003874no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#00444Fno blue cones; rare, and affects men and women equally; ΔE 41.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.18:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11Midnight blue · ΔE 20.3Rebecca purple · ΔE 27.9Slate blue · ΔE 33.8Steel blue · ΔE 35.6Royal blue · ΔE 36.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#756D2D
Analogous#2D5975, #492D75
Triadic#752D35, #35752D
Split complementary#75492D, #59752D
Tetradic#752D59, #756D2D, #2D7549

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#979ED7
Lighter +30%#727CC9
Lighter +20%#4D59BB
Lighter +10%#3B469A
Darker −10%#1F2450
Darker −20%#11142B
Darker −30%#020306
Darker −40%#000000
More saturated +25%#192589
Less saturated −25%#414561

Channel breakdown

R45
G53
B117
Red45 (17.6%)
Green53 (20.8%)
Blue117 (45.9%)
Hue233.33°
Saturation (HSL)44.44%
Lightness31.76%
Dominant channelBlue
Hex per channelR 2D · G 35 · B 75

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Every value on this page was computed from “2d3575” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.