Nerdulator> put something in

Recognised as Colour

#39A4E3

  • #39A4E3
  • Blue
  • Dark
  • Nearest: Deep skyblue

#39A4E3 is a blue with RGB values 57, 164, 227 and HSL 202°, 75%, 56%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#39A4E3#39A4E3
HEX#39A4E3
RGBrgb(57, 164, 227)
RGB (0–1)0.2235, 0.6431, 0.8902
RGB percentages22.4%, 64.3%, 89%
HSLhsl(202.2, 75.2%, 55.7%)
HSV / HSBhsv(202.2, 74.9%, 89%)
CMYK74.9%, 27.8%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,777,763
CSS custom property--colour: #39A4E3;

Brightness & contrast

Relative luminance0.32967WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.59:1
Contrast with white2.77:1WCAG normal text: Fail
Contrast with black7.59:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#C65B1C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#86A4E6no red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#6F94E2no green cones; the most common form, about 1% of men; ΔE 18.7 from the original
Tritanopia#00B4BAno blue cones; rare, and affects men and women equally; ΔE 37 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.77:1WCAG large text: Fail
Contrast with black, large text7.59:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 11.9Steel blue · ΔE 15.3Light skyblue · ΔE 19.7Cornflower blue · ΔE 20.9Sky blue · ΔE 24.9Light steelblue · ΔE 30.1
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 11.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E37839
Analogous#39E3CD, #394FE3
Triadic#E339A4, #A4E339
Split complementary#E3394F, #E3CD39
Tetradic#CD39E3, #E37839, #4FE339

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF6FC
Lighter +30%#BFE2F6
Lighter +20%#92CDF0
Lighter +10%#66B9E9
Darker −10%#1D8BCC
Darker −20%#176D9F
Darker −30%#104E73
Darker −40%#0A3046
More saturated +25%#1DABFF
Less saturated −25%#559DC7

Channel breakdown

R57
G164
B227
Red57 (22.4%)
Green164 (64.3%)
Blue227 (89%)
Hue202.24°
Saturation (HSL)75.22%
Lightness55.69%
Dominant channelBlue
Hex per channelR 39 · G A4 · B E3

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “39a4e3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.