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Recognised as Colour

#2D3545

  • #2D3545
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2D3545 is a blue with RGB values 45, 53, 69 and HSL 220°, 21%, 22%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D3545#2D3545
HEX#2D3545
RGBrgb(45, 53, 69)
RGB (0–1)0.1765, 0.2078, 0.2706
RGB percentages17.6%, 20.8%, 27.1%
HSLhsl(220, 21.1%, 22.4%)
HSV / HSBhsv(220, 34.8%, 27.1%)
CMYK34.8%, 23.2%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,962,757
CSS custom property--colour: #2D3545;

Brightness & contrast

Relative luminance0.03534WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.3:1
Contrast with white12.3:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#D2CABA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#303646no red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#2D3445no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#26383Ano blue cones; rare, and affects men and women equally; ΔE 10.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.3:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.4Black · ΔE 24.7Dim grey · ΔE 24.9Slate grey · ΔE 30.9Gray · ΔE 33.4Light slate grey · ΔE 34
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#453D2D
Analogous#2D4145, #312D45
Triadic#452D35, #35452D
Split complementary#45312D, #41452D
Tetradic#452D41, #453D2D, #2D4531

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B98B3
Lighter +30%#6C7D9F
Lighter +20%#556483
Lighter +10%#414D64
Darker −10%#191D26
Darker −20%#050607
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F3053
Less saturated −25%#393939

Channel breakdown

R45
G53
B69
Red45 (17.6%)
Green53 (20.8%)
Blue69 (27.1%)
Hue220°
Saturation (HSL)21.05%
Lightness22.35%
Dominant channelBlue
Hex per channelR 2D · G 35 · B 45

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Every value on this page was computed from “2d3545” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.