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Recognised as Colour

#0037AE

  • #0037AE
  • Blue
  • Dark
  • Nearest: Slate blue

#0037AE is a blue with RGB values 0, 55, 174 and HSL 221°, 100%, 34%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#0037AE#0037AE
HEX#0037AE
RGBrgb(0, 55, 174)
RGB (0–1)0, 0.2157, 0.6824
RGB percentages0%, 21.6%, 68.2%
HSLhsl(221, 100%, 34.1%)
HSV / HSBhsv(221, 100%, 68.2%)
CMYK100%, 68.4%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,254
CSS custom property--colour: #0037AE;

Brightness & contrast

Relative luminance0.05788WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.73:1
Contrast with white9.73:1WCAG normal text: AAA
Contrast with black2.16:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#FFC851

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CB2no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#003CACno green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#00586Eno blue cones; rare, and affects men and women equally; ΔE 68.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.73:1WCAG large text: AAA
Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18.8Navy · ΔE 20.6Royal blue · ΔE 20.7Dark blue · ΔE 21.4Rebecca purple · ΔE 21.6Midnight blue · ΔE 21.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE7700
Analogous#008EAE, #2000AE
Triadic#AE0037, #37AE00
Split complementary#AE2000, #8EAE00
Tetradic#AE008E, #AE7700, #00AE20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BA5FF
Lighter +30%#4882FF
Lighter +20%#155FFF
Lighter +10%#0047E1
Darker −10%#00277B
Darker −20%#001748
Darker −30%#000715
Darker −40%#000000
More saturated +25%#0037AE
Less saturated −25%#163F98

Channel breakdown

R0
G55
B174
Red0 (0%)
Green55 (21.6%)
Blue174 (68.2%)
Hue221.03°
Saturation (HSL)100%
Lightness34.12%
Dominant channelBlue
Hex per channelR 00 · G 37 · B AE

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Every value on this page was computed from “0037ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.