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Recognised as Colour

#2D2F45

  • #2D2F45
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2D2F45 is a blue with RGB values 45, 47, 69 and HSL 235°, 21%, 22%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D2F45#2D2F45
HEX#2D2F45
RGBrgb(45, 47, 69)
RGB (0–1)0.1765, 0.1843, 0.2706
RGB percentages17.6%, 18.4%, 27.1%
HSLhsl(235, 21.1%, 22.4%)
HSV / HSBhsv(235, 34.8%, 27.1%)
CMYK34.8%, 31.9%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,961,221
CSS custom property--colour: #2D2F45;

Brightness & contrast

Relative luminance0.03021WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.09:1
Contrast with white13.09:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#D2D0BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#293146no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#273044no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#273337no blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.09:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22.8Black · ΔE 25.1Dim grey · ΔE 28.5Slate grey · ΔE 33.7Dark slateblue · ΔE 36.5Gray · ΔE 36.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#45432D
Analogous#2D3B45, #372D45
Triadic#452D2F, #2F452D
Split complementary#45372D, #3B452D
Tetradic#452D3B, #45432D, #2D4537

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B8EB3
Lighter +30%#6C709F
Lighter +20%#555983
Lighter +10%#414464
Darker −10%#191A26
Darker −20%#050507
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F2353
Less saturated −25%#393939

Channel breakdown

R45
G47
B69
Red45 (17.6%)
Green47 (18.4%)
Blue69 (27.1%)
Hue235°
Saturation (HSL)21.05%
Lightness22.35%
Dominant channelBlue
Hex per channelR 2D · G 2F · B 45

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Every value on this page was computed from “2d2f45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.