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Recognised as Colour

#2E37E1

  • #2E37E1
  • Blue
  • Dark
  • Nearest: Medium blue

#2E37E1 is a blue with RGB values 46, 55, 225 and HSL 237°, 75%, 53%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2E37E1#2E37E1
HEX#2E37E1
RGBrgb(46, 55, 225)
RGB (0–1)0.1804, 0.2157, 0.8824
RGB percentages18%, 21.6%, 88.2%
HSLhsl(237, 74.9%, 53.1%)
HSV / HSBhsv(237, 79.6%, 88.2%)
CMYK79.6%, 75.6%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,028,961
CSS custom property--colour: #2E37E1;

Brightness & contrast

Relative luminance0.08749WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.64:1
Contrast with white7.64:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#D1C81E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CE6no red cones; affects about 1% of men; ΔE 25.8 from the original
Deuteranopia#004ADEno green cones; the most common form, about 1% of men; ΔE 15.5 from the original
Tritanopia#006A8Ano blue cones; rare, and affects men and women equally; ΔE 91.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.64:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Medium blue · ΔE 17.5Blue violet · ΔE 19.8Dark violet · ΔE 26.8Dark blue · ΔE 27Dark orchid · ΔE 28.6Medium slateblue · ΔE 29.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1D82E
Analogous#2E91E1, #7E2EE1
Triadic#E12E37, #37E12E
Split complementary#E17E2E, #91E12E
Tetradic#E12E91, #E1D82E, #2EE17E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0E2FB
Lighter +30%#B4B7F4
Lighter +20%#878CEE
Lighter +10%#5B62E7
Darker −10%#1C24C0
Darker −20%#151C94
Darker −30%#0F1367
Darker −40%#080B3B
More saturated +25%#101CFF
Less saturated −25%#4C52C3

Channel breakdown

R46
G55
B225
Red46 (18%)
Green55 (21.6%)
Blue225 (88.2%)
Hue236.98°
Saturation (HSL)74.9%
Lightness53.14%
Dominant channelBlue
Hex per channelR 2E · G 37 · B E1

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Every value on this page was computed from “2e37e1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.