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Recognised as Colour

#27ACF0

  • #27ACF0
  • Blue
  • Dark
  • Nearest: Deep skyblue

#27ACF0 is a blue with RGB values 39, 172, 240 and HSL 200°, 87%, 55%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#27ACF0#27ACF0
HEX#27ACF0
RGBrgb(39, 172, 240)
RGB (0–1)0.1529, 0.6745, 0.9412
RGB percentages15.3%, 67.5%, 94.1%
HSLhsl(200.3, 87%, 54.7%)
HSV / HSBhsv(200.3, 83.8%, 94.1%)
CMYK83.8%, 28.3%, 0%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,600,176
CSS custom property--colour: #27ACF0;

Brightness & contrast

Relative luminance0.36228WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.25:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.25:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#D8530F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8BACF3no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#719AEFno green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#00BDC4no blue cones; rare, and affects men and women equally; ΔE 38.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.55:1WCAG large text: Fail
Contrast with black, large text8.25:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 8.8Steel blue · ΔE 19.5Light skyblue · ΔE 19.9Cornflower blue · ΔE 21.8Sky blue · ΔE 25.8Dodgerblue · ΔE 29.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 8.85, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F06B27
Analogous#27F0CF, #2748F0
Triadic#F027AC, #ACF027
Split complementary#F02748, #F0CF27
Tetradic#CF27F0, #F06B27, #48F027

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F5FD
Lighter +30%#B6E3FA
Lighter +20%#86D1F7
Lighter +10%#57BEF3
Darker −10%#0F92D5
Darker −20%#0B71A6
Darker −30%#085176
Darker −40%#053046
More saturated +25%#18B1FF
Less saturated −25%#44A3D3

Channel breakdown

R39
G172
B240
Red39 (15.3%)
Green172 (67.5%)
Blue240 (94.1%)
Hue200.3°
Saturation (HSL)87.01%
Lightness54.71%
Dominant channelBlue
Hex per channelR 27 · G AC · B F0

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Every value on this page was computed from “27acf0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.