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Recognised as Colour

#2B3FC0

  • #2B3FC0
  • Blue
  • Dark
  • Nearest: Slate blue

#2B3FC0 is a blue with RGB values 43, 63, 192 and HSL 232°, 63%, 46%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2B3FC0#2B3FC0
HEX#2B3FC0
RGBrgb(43, 63, 192)
RGB (0–1)0.1686, 0.2471, 0.7529
RGB percentages16.9%, 24.7%, 75.3%
HSLhsl(231.9, 63.4%, 46.1%)
HSV / HSBhsv(231.9, 77.6%, 75.3%)
CMYK77.6%, 67.2%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,834,368
CSS custom property--colour: #2B3FC0;

Brightness & contrast

Relative luminance0.07874WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.16:1
Contrast with white8.16:1WCAG normal text: AAA
Contrast with black2.57:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#D4C03F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056C4no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#0048BEno green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#00627Ano blue cones; rare, and affects men and women equally; ΔE 72.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.16:1WCAG large text: AAA
Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.6Medium slateblue · ΔE 19Royal blue · ΔE 19.1Dark blue · ΔE 22.4Rebecca purple · ΔE 22.6Navy · ΔE 23.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C0AC2B
Analogous#2B8AC0, #612BC0
Triadic#C02B3F, #3FC02B
Split complementary#C0612B, #8AC02B
Tetradic#C02B8A, #C0AC2B, #2BC061

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5CBF2
Lighter +30%#9BA6E9
Lighter +20%#7280DF
Lighter +10%#485BD6
Darker −10%#223196
Darker −20%#18246D
Darker −30%#0F1643
Darker −40%#060819
More saturated +25%#0E2ADD
Less saturated −25%#4854A3

Channel breakdown

R43
G63
B192
Red43 (16.9%)
Green63 (24.7%)
Blue192 (75.3%)
Hue231.95°
Saturation (HSL)63.4%
Lightness46.08%
Dominant channelBlue
Hex per channelR 2B · G 3F · B C0

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Every value on this page was computed from “2b3fc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.