Nerdulator> put something in

Recognised as Colour

#004EA3

  • #004EA3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#004EA3 is a blue with RGB values 0, 78, 163 and HSL 211°, 100%, 32%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004EA3#004EA3
HEX#004EA3
RGBrgb(0, 78, 163)
RGB (0–1)0, 0.3059, 0.6392
RGB percentages0%, 30.6%, 63.9%
HSLhsl(211.3, 100%, 32%)
HSV / HSBhsv(211.3, 100%, 63.9%)
CMYK100%, 52.1%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,131
CSS custom property--colour: #004EA3;

Brightness & contrast

Relative luminance0.08093WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.02:1
Contrast with white8.02:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#FFB15C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1057A6no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#004AA1no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#006371no blue cones; rare, and affects men and women equally; ΔE 49.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.02:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.3Royal blue · ΔE 22.8Slate blue · ΔE 25.2Midnight blue · ΔE 25.3Dodgerblue · ΔE 28.3Cornflower blue · ΔE 28.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A35500
Analogous#009FA3, #0400A3
Triadic#A3004E, #4EA300
Split complementary#A30400, #9FA300
Tetradic#A3009F, #A35500, #00A304

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#70B4FF
Lighter +30%#3D9AFF
Lighter +20%#0A7FFF
Lighter +10%#0066D6
Darker −10%#003670
Darker −20%#001D3D
Darker −30%#00050A
Darker −40%#000000
More saturated +25%#004EA3
Less saturated −25%#144F8F

Channel breakdown

R0
G78
B163
Red0 (0%)
Green78 (30.6%)
Blue163 (63.9%)
Hue211.29°
Saturation (HSL)100%
Lightness31.96%
Dominant channelBlue
Hex per channelR 00 · G 4E · B A3

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 “004ea3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.