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Colour

#2B334E

  • #2B334E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B334E is a blue with RGB values 43, 51, 78 and HSL 226°, 29%, 24%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B334E#2B334E
HEX#2B334E
RGBrgb(43, 51, 78)
RGB (0–1)0.1686, 0.2, 0.3059
RGB percentages16.9%, 20%, 30.6%
HSLhsl(226.3, 28.9%, 23.7%)
HSV / HSBhsv(226.3, 44.9%, 30.6%)
CMYK44.9%, 34.6%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,831,182
CSS custom property--colour: #2B334E;

Brightness & contrast

Relative luminance0.03431WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.45:1
Contrast with white12.45:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#D4CCB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A364Fno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#27334Dno green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#20383Dno blue cones; rare, and affects men and women equally; ΔE 17 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.45:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.6Black · ΔE 28.4Dim grey · ΔE 29.2Slate grey · ΔE 32.7Dark slateblue · ΔE 33.7Steel blue · ΔE 35.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E462B
Analogous#2B454E, #342B4E
Triadic#4E2B33, #334E2B
Split complementary#4E352B, #454E2B
Tetradic#4E2B45, #4E462B, #2B4E35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8894BD
Lighter +30%#6776AB
Lighter +20%#4F5E90
Lighter +10%#3D486F
Darker −10%#191E2D
Darker −20%#07080C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C2B5D
Less saturated −25%#3A3B3F

Channel breakdown

R43
G51
B78
Red43 (16.9%)
Green51 (20%)
Blue78 (30.6%)
Hue226.29°
Saturation (HSL)28.93%
Lightness23.73%
Dominant channelBlue
Hex per channelR 2B · G 33 · B 4E

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Every value on this page was computed from “2b334e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.