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Colour

#2B4BD2

  • #2B4BD2
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2B4BD2 is a blue with RGB values 43, 75, 210 and HSL 229°, 66%, 50%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2B4BD2#2B4BD2
HEX#2B4BD2
RGBrgb(43, 75, 210)
RGB (0–1)0.1686, 0.2941, 0.8235
RGB percentages16.9%, 29.4%, 82.4%
HSLhsl(228.5, 66%, 49.6%)
HSV / HSBhsv(228.5, 79.5%, 82.4%)
CMYK79.5%, 64.3%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,837,458
CSS custom property--colour: #2B4BD2;

Brightness & contrast

Relative luminance0.10199WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.91:1
Contrast with white6.91:1WCAG normal text: AA
Contrast with black3.04:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#D4B42D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062D6no red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#0052CFno green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#006F88no blue cones; rare, and affects men and women equally; ΔE 75 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.91:1WCAG large text: AAA
Contrast with black, large text3.04:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 16.1Slate blue · ΔE 16.4Royal blue · ΔE 16.4Rebecca purple · ΔE 26.4Dark blue · ΔE 27.1Medium purple · ΔE 28
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 16.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D2B22B
Analogous#2B9ED2, #5F2BD2
Triadic#D22B4B, #4BD22B
Split complementary#D25F2B, #9FD22B
Tetradic#D22B9E, #D2B22B, #2BD25F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3DAF6
Lighter +30%#A9B6ED
Lighter +20%#7E92E5
Lighter +10%#546EDC
Darker −10%#223CA8
Darker −20%#1A2D7D
Darker −30%#111E53
Darker −40%#080F29
More saturated +25%#0B37F2
Less saturated −25%#4B5FB2

Channel breakdown

R43
G75
B210
Red43 (16.9%)
Green75 (29.4%)
Blue210 (82.4%)
Hue228.5°
Saturation (HSL)66.01%
Lightness49.61%
Dominant channelBlue
Hex per channelR 2B · G 4B · B D2

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Every value on this page was computed from “2b4bd2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.