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Recognised as Colour

#1585EB

  • #1585EB
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1585EB is a blue with RGB values 21, 133, 235 and HSL 209°, 84%, 50%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1585EB#1585EB
HEX#1585EB
RGBrgb(21, 133, 235)
RGB (0–1)0.0824, 0.5216, 0.9216
RGB percentages8.2%, 52.2%, 92.2%
HSLhsl(208.6, 84.3%, 50.2%)
HSV / HSBhsv(208.6, 91.1%, 92.2%)
CMYK91.1%, 43.4%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,410,539
CSS custom property--colour: #1585EB;

Brightness & contrast

Relative luminance0.22933WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#EA7A14

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F8DEFno red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#217BE9no green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#009EACno blue cones; rare, and affects men and women equally; ΔE 56.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.1Cornflower blue · ΔE 12.2Royal blue · ΔE 19.9Slate blue · ΔE 29.1Medium purple · ΔE 29.7Steel blue · ΔE 30.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.09, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EB7B15
Analogous#15EBE6, #151AEB
Triadic#EB1585, #85EB15
Split complementary#EB151A, #EBE615
Tetradic#E615EB, #EB7B15, #1AEB15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1E7FB
Lighter +30%#A2CEF7
Lighter +20%#73B6F3
Lighter +10%#449DEF
Darker −10%#106BBD
Darker −20%#0C508E
Darker −30%#08365F
Darker −40%#041B30
More saturated +25%#0186FF
Less saturated −25%#3584CB

Channel breakdown

R21
G133
B235
Red21 (8.2%)
Green133 (52.2%)
Blue235 (92.2%)
Hue208.6°
Saturation (HSL)84.25%
Lightness50.2%
Dominant channelBlue
Hex per channelR 15 · G 85 · B EB

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Every value on this page was computed from “1585eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.