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Recognised as Colour

#2190FF

  • #2190FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2190FF is a blue with RGB values 33, 144, 255 and HSL 210°, 100%, 56%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2190FF#2190FF
HEX#2190FF
RGBrgb(33, 144, 255)
RGB (0–1)0.1294, 0.5647, 1
RGB percentages12.9%, 56.5%, 100%
HSLhsl(210, 100%, 56.5%)
HSV / HSBhsv(210, 87.1%, 100%)
CMYK87.1%, 43.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,199,807
CSS custom property--colour: #2190FF;

Brightness & contrast

Relative luminance0.2749WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.5:1
Contrast with white3.23:1WCAG normal text: Fail
Contrast with black6.5:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#DE6F00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5599FFno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#2486FDno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#00ABBBno blue cones; rare, and affects men and women equally; ΔE 60.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.23:1WCAG large text: AA
Contrast with black, large text6.5:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 0.2Cornflower blue · ΔE 14.3Royal blue · ΔE 20Slate blue · ΔE 30Medium purple · ΔE 30.1Medium slateblue · ΔE 31.8
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 0.19, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9021
Analogous#21FFFF, #2121FF
Triadic#FF2190, #90FF21
Split complementary#FF2121, #FFFF21
Tetradic#FF21FF, #FF9021, #21FF21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDF6FF
Lighter +30%#BADDFF
Lighter +20%#87C3FF
Lighter +10%#54AAFF
Darker −10%#0076ED
Darker −20%#005DBA
Darker −30%#004487
Darker −40%#002A54
More saturated +25%#2190FF
Less saturated −25%#3D90E3

Channel breakdown

R33
G144
B255
Red33 (12.9%)
Green144 (56.5%)
Blue255 (100%)
Hue210°
Saturation (HSL)100%
Lightness56.47%
Dominant channelBlue
Hex per channelR 21 · G 90 · B FF

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Every value on this page was computed from “2190ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.