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Recognised as Colour

#1290D5

  • #1290D5
  • Blue
  • Dark
  • Nearest: Steel blue

#1290D5 is a blue with RGB values 18, 144, 213 and HSL 201°, 84%, 45%. 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

#1290D5#1290D5
HEX#1290D5
RGBrgb(18, 144, 213)
RGB (0–1)0.0706, 0.5647, 0.8353
RGB percentages7.1%, 56.5%, 83.5%
HSLhsl(201.2, 84.4%, 45.3%)
HSV / HSBhsv(201.2, 91.5%, 83.5%)
CMYK91.5%, 32.4%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,216,725
CSS custom property--colour: #1290D5;

Brightness & contrast

Relative luminance0.24879WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.98:1
Contrast with white3.51:1WCAG normal text: Fail
Contrast with black5.98:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#ED6F2A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F92D8no red cones; affects about 1% of men; ΔE 14.5 from the original
Deuteranopia#5581D4no green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#00A1A9no blue cones; rare, and affects men and women equally; ΔE 39.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.51:1WCAG large text: AA
Contrast with black, large text5.98:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.8Cornflower blue · ΔE 17.3Deep skyblue · ΔE 19.3Dodgerblue · ΔE 25.5Light skyblue · ΔE 27.9Sky blue · ΔE 32.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D55712
Analogous#12D5B9, #122ED5
Triadic#D51290, #90D512
Split complementary#D5122E, #D5B912
Tetradic#B912D5, #D55712, #2FD512

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAE3F9
Lighter +30%#8BD0F5
Lighter +20%#5CBCF1
Lighter +10%#2DA9ED
Darker −10%#0E70A6
Darker −20%#0A5077
Darker −30%#063148
Darker −40%#021119
More saturated +25%#0095E7
Less saturated −25%#2F88B8

Channel breakdown

R18
G144
B213
Red18 (7.1%)
Green144 (56.5%)
Blue213 (83.5%)
Hue201.23°
Saturation (HSL)84.42%
Lightness45.29%
Dominant channelBlue
Hex per channelR 12 · G 90 · B D5

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Every value on this page was computed from “1290d5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.