Nerdulator> put something in

Recognised as Colour

#0339BD

  • #0339BD
  • Blue
  • Dark
  • Nearest: Dark blue

#0339BD is a blue with RGB values 3, 57, 189 and HSL 223°, 97%, 38%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0339BD#0339BD
HEX#0339BD
RGBrgb(3, 57, 189)
RGB (0–1)0.0118, 0.2235, 0.7412
RGB percentages1.2%, 22.4%, 74.1%
HSLhsl(222.6, 96.9%, 37.6%)
HSV / HSBhsv(222.6, 98.4%, 74.1%)
CMYK98.4%, 69.8%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,389
CSS custom property--colour: #0339BD;

Brightness & contrast

Relative luminance0.0662WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.04:1
Contrast with white9.04:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FCC642

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051C1no red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#0040BBno green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#005E77no blue cones; rare, and affects men and women equally; ΔE 74.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.04:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark blue · ΔE 20.1Slate blue · ΔE 20.6Navy · ΔE 21.2Royal blue · ΔE 22.3Medium slateblue · ΔE 22.4Indigo · ΔE 25
Nearest named CSS colourDark blue (#00008B)ΔE 20.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD8703
Analogous#0396BD, #2A03BD
Triadic#BD0339, #39BD03
Split complementary#BD2A03, #96BD03
Tetradic#BD0396, #BD8703, #03BD2A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8FAFFD
Lighter +30%#5D8BFC
Lighter +20%#2A67FC
Lighter +10%#0448EF
Darker −10%#022A8B
Darker −20%#011B59
Darker −30%#010C26
Darker −40%#000000
More saturated +25%#0038C0
Less saturated −25%#1B43A5

Channel breakdown

R3
G57
B189
Red3 (1.2%)
Green57 (22.4%)
Blue189 (74.1%)
Hue222.58°
Saturation (HSL)96.88%
Lightness37.65%
Dominant channelBlue
Hex per channelR 03 · G 39 · B BD

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 “0339bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.