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Colour

#2391C9

  • #2391C9
  • Blue
  • Dark
  • Nearest: Steel blue

#2391C9 is a blue with RGB values 35, 145, 201 and HSL 200°, 70%, 46%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2391C9#2391C9
HEX#2391C9
RGBrgb(35, 145, 201)
RGB (0–1)0.1373, 0.5686, 0.7882
RGB percentages13.7%, 56.9%, 78.8%
HSLhsl(200.2, 70.3%, 46.3%)
HSV / HSBhsv(200.2, 82.6%, 78.8%)
CMYK82.6%, 27.9%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,331,081
CSS custom property--colour: #2391C9;

Brightness & contrast

Relative luminance0.24825WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.97:1
Contrast with white3.52:1WCAG normal text: Fail
Contrast with black5.97:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#DC6E36

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7691CCno red cones; affects about 1% of men; ΔE 16.8 from the original
Deuteranopia#6082C8no green cones; the most common form, about 1% of men; ΔE 18.6 from the original
Tritanopia#009FA4no blue cones; rare, and affects men and women equally; ΔE 33.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.52:1WCAG large text: AA
Contrast with black, large text5.97:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.2Deep skyblue · ΔE 18.1Cornflower blue · ΔE 23.5Light skyblue · ΔE 24.5Light slate grey · ΔE 27.4Sky blue · ΔE 27.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.15, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C95B23
Analogous#23C9AE, #233EC9
Triadic#C92391, #91C923
Split complementary#C9233E, #C9AE23
Tetradic#AE23C9, #C95B23, #3EC923

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3E4F5
Lighter +30%#98D0ED
Lighter +20%#6DBDE5
Lighter +10%#41A9DE
Darker −10%#1B729E
Darker −20%#145272
Darker −30%#0C3347
Darker −40%#05141B
More saturated +25%#069BE6
Less saturated −25%#4187AB

Channel breakdown

R35
G145
B201
Red35 (13.7%)
Green145 (56.9%)
Blue201 (78.8%)
Hue200.24°
Saturation (HSL)70.34%
Lightness46.27%
Dominant channelBlue
Hex per channelR 23 · G 91 · B C9

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Every value on this page was computed from “2391c9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.