Nerdulator> put something in

Recognised as Colour

#2B3247

  • #2B3247
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B3247 is a blue with RGB values 43, 50, 71 and HSL 225°, 25%, 22%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B3247#2B3247
HEX#2B3247
RGBrgb(43, 50, 71)
RGB (0–1)0.1686, 0.1961, 0.2784
RGB percentages16.9%, 19.6%, 27.8%
HSLhsl(225, 24.6%, 22.4%)
HSV / HSBhsv(225, 39.4%, 27.8%)
CMYK39.4%, 29.6%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,830,919
CSS custom property--colour: #2B3247;

Brightness & contrast

Relative luminance0.0325WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.73:1
Contrast with white12.73:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#D4CDB8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B3448no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#293147no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#233639no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.73:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.8Black · ΔE 25.4Dim grey · ΔE 27.4Slate grey · ΔE 32.4Light slate grey · ΔE 35.4Gray · ΔE 35.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#47402B
Analogous#2B4047, #322B47
Triadic#472B32, #32472B
Split complementary#47322B, #40472B
Tetradic#472B40, #47402B, #2B4732

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8793B7
Lighter +30%#6877A3
Lighter +20%#515F87
Lighter +10%#3E4867
Darker −10%#181C27
Darker −20%#050507
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D2B55
Less saturated −25%#393939

Channel breakdown

R43
G50
B71
Red43 (16.9%)
Green50 (19.6%)
Blue71 (27.8%)
Hue225°
Saturation (HSL)24.56%
Lightness22.35%
Dominant channelBlue
Hex per channelR 2B · G 32 · B 47

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2b3247” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.