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Recognised as Colour

#1E90FF

  • #1E90FF
  • Blue
  • Dark
  • Named: Dodgerblue

#1E90FF is the CSS colour blue with RGB values 30, 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

#1E90FF#1E90FF
HEX#1E90FF
RGBrgb(30, 144, 255)
RGB (0–1)0.1176, 0.5647, 1
RGB percentages11.8%, 56.5%, 100%
HSLhsl(209.6, 100%, 55.9%)
HSV / HSBhsv(209.6, 88.2%, 100%)
CMYK88.2%, 43.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,003,199
CSS custom property--colour: #1E90FF;

Brightness & contrast

Relative luminance0.27443WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.49:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.49:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#E16F00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5599FFno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#2386FDno green cones; the most common form, about 1% of men; ΔE 7.2 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 text3.24:1WCAG large text: AA
Contrast with black, large text6.49:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 0Cornflower blue · ΔE 14.3Royal blue · ΔE 20.1Slate blue · ΔE 30.1Medium purple · ΔE 30.3Medium slateblue · ΔE 32
This is a named CSS colourDodgerblue (#1E90FF)exact match
Hue familyblue
CSS keyword usabledodgerblue

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8D1E
Analogous#1EFFFE, #1E1FFF
Triadic#FF1E90, #90FF1E
Split complementary#FF1E1F, #FFFE1E
Tetradic#FE1EFF, #FF8D1E, #1FFF1E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAF5FF
Lighter +30%#B7DBFF
Lighter +20%#84C2FF
Lighter +10%#51A9FF
Darker −10%#0077EA
Darker −20%#005DB7
Darker −30%#004384
Darker −40%#002951
More saturated +25%#1E90FF
Less saturated −25%#3A90E3

Channel breakdown

R30
G144
B255
Red30 (11.8%)
Green144 (56.5%)
Blue255 (100%)
Hue209.6°
Saturation (HSL)100%
Lightness55.88%
Dominant channelBlue
Hex per channelR 1E · G 90 · B FF

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Every value on this page was computed from “1e90ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.