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Recognised as Colour

#37A2EC

  • #37A2EC
  • Blue
  • Dark
  • Nearest: Deep skyblue

#37A2EC is a blue with RGB values 55, 162, 236 and HSL 205°, 83%, 57%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#37A2EC#37A2EC
HEX#37A2EC
RGBrgb(55, 162, 236)
RGB (0–1)0.2157, 0.6353, 0.9255
RGB percentages21.6%, 63.5%, 92.5%
HSLhsl(204.5, 82.6%, 57.1%)
HSV / HSBhsv(204.5, 76.7%, 92.5%)
CMYK76.7%, 31.4%, 0%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,646,188
CSS custom property--colour: #37A2EC;

Brightness & contrast

Relative luminance0.32709WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.54:1
Contrast with white2.78:1WCAG normal text: Fail
Contrast with black7.54:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#C85D13

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#80A4EFno red cones; affects about 1% of men; ΔE 14 from the original
Deuteranopia#6693EBno green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#00B4BCno blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.78:1WCAG large text: Fail
Contrast with black, large text7.54:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 15.3Cornflower blue · ΔE 15.4Steel blue · ΔE 17.8Dodgerblue · ΔE 23.9Light skyblue · ΔE 24Sky blue · ΔE 30.3
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 15.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EC8137
Analogous#37ECDC, #3747EC
Triadic#EC37A2, #A2EC37
Split complementary#EC3747, #ECDC37
Tetradic#DC37EC, #EC8137, #47EC37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F9FE
Lighter +30%#C3E3F9
Lighter +20%#94CDF5
Lighter +10%#66B8F0
Darker −10%#158ADB
Darker −20%#106DAD
Darker −30%#0C4F7E
Darker −40%#08324F
More saturated +25%#24A5FF
Less saturated −25%#529DD1

Channel breakdown

R55
G162
B236
Red55 (21.6%)
Green162 (63.5%)
Blue236 (92.5%)
Hue204.53°
Saturation (HSL)82.65%
Lightness57.06%
Dominant channelBlue
Hex per channelR 37 · G A2 · B EC

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Every value on this page was computed from “37a2ec” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.