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Recognised as Colour

#2A81F0

  • #2A81F0
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2A81F0 is a blue with RGB values 42, 129, 240 and HSL 214°, 87%, 55%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2A81F0#2A81F0
HEX#2A81F0
RGBrgb(42, 129, 240)
RGB (0–1)0.1647, 0.5059, 0.9412
RGB percentages16.5%, 50.6%, 94.1%
HSLhsl(213.6, 86.8%, 55.3%)
HSV / HSBhsv(213.6, 82.5%, 94.1%)
CMYK82.5%, 46.3%, 0%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,785,776
CSS custom property--colour: #2A81F0;

Brightness & contrast

Relative luminance0.22484WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.5:1
Contrast with white3.82:1WCAG normal text: Fail
Contrast with black5.5:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#D57E0F

Colour vision & accessibility

Protanopia#438CF4no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#007AEEno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#009CADno blue cones; rare, and affects men and women equally; ΔE 61.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.82:1WCAG large text: AA
Contrast with black, large text5.5:1WCAG large text: AAA

Named colours

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.53, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#F0992A
Analogous#2AE4F0, #362AF0
Triadic#F02A81, #81F02A
Split complementary#F0362A, #E4F02A
Tetradic#F02AE4, #F0992A, #2AF036

Tints, shades & saturation

Lighter +40%#E9F2FD
Lighter +30%#B9D6FA
Lighter +20%#89B9F7
Lighter +10%#5A9DF3
Darker −10%#0F67D8
Darker −20%#0C51A8
Darker −30%#083A79
Darker −40%#052349
More saturated +25%#1B7FFF
Less saturated −25%#4784D4

Channel breakdown

R42
G129
B240
Red42 (16.5%)
Green129 (50.6%)
Blue240 (94.1%)
Hue213.64°
Saturation (HSL)86.84%
Lightness55.29%
Dominant channelBlue
Hex per channelR 2A · G 81 · B F0

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Every value on this page was computed from “2a81f0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.