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Colour

#2B3750

  • #2B3750
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B3750 is a blue with RGB values 43, 55, 80 and HSL 221°, 30%, 24%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B3750#2B3750
HEX#2B3750
RGBrgb(43, 55, 80)
RGB (0–1)0.1686, 0.2157, 0.3137
RGB percentages16.9%, 21.6%, 31.4%
HSLhsl(220.5, 30.1%, 24.1%)
HSV / HSBhsv(220.5, 46.3%, 31.4%)
CMYK46.2%, 31.2%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,832,208
CSS custom property--colour: #2B3750;

Brightness & contrast

Relative luminance0.03825WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.9:1
Contrast with white11.9:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#D4C8AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E3951no red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#2A364Fno green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#1E3C40no blue cones; rare, and affects men and women equally; ΔE 16.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.9:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.1Dim grey · ΔE 27.3Black · ΔE 28.7Slate grey · ΔE 30.8Light slate grey · ΔE 33.7Steel blue · ΔE 33.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#50442B
Analogous#2B4A50, #312B50
Triadic#502B37, #37502B
Split complementary#50312B, #4A502B
Tetradic#502B4A, #50442B, #2B5031

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#889ABF
Lighter +30%#677EAD
Lighter +20%#4F6592
Lighter +10%#3D4E71
Darker −10%#19202F
Darker −20%#07090E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C325F
Less saturated −25%#3A3C41

Channel breakdown

R43
G55
B80
Red43 (16.9%)
Green55 (21.6%)
Blue80 (31.4%)
Hue220.54°
Saturation (HSL)30.08%
Lightness24.12%
Dominant channelBlue
Hex per channelR 2B · G 37 · B 50

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Every value on this page was computed from “2b3750” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.