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Recognised as Colour

#0638CA

  • #0638CA
  • Blue
  • Dark
  • Nearest: Dark blue

#0638CA is a blue with RGB values 6, 56, 202 and HSL 225°, 94%, 41%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0638CA#0638CA
HEX#0638CA
RGBrgb(6, 56, 202)
RGB (0–1)0.0235, 0.2196, 0.7922
RGB percentages2.4%, 22%, 79.2%
HSLhsl(224.7, 94.2%, 40.8%)
HSV / HSBhsv(224.7, 97%, 79.2%)
CMYK97%, 72.3%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer407,754
CSS custom property--colour: #0638CA;

Brightness & contrast

Relative luminance0.07131WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.66:1
Contrast with white8.66:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#F9C735

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055CEno red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#0042C7no green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#00637Dno blue cones; rare, and affects men and women equally; ΔE 82 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.66:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Dark blue · ΔE 20.5Navy · ΔE 23.4Medium slateblue · ΔE 23.9Slate blue · ΔE 25.5Royal blue · ΔE 27.2Medium blue · ΔE 27.4
Nearest named CSS colourDark blue (#00008B)ΔE 20.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CA9806
Analogous#069ACA, #3606CA
Triadic#CA0638, #38CA06
Split complementary#CA3606, #9ACA06
Tetradic#CA069A, #CA9806, #06CA36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0B7FC
Lighter +30%#6E92FB
Lighter +20%#3D6DF9
Lighter +10%#0B48F8
Darker −10%#052A98
Darker −20%#031D67
Darker −30%#020F35
Darker −40%#000104
More saturated +25%#0035D0
Less saturated −25%#2045B0

Channel breakdown

R6
G56
B202
Red6 (2.4%)
Green56 (22%)
Blue202 (79.2%)
Hue224.69°
Saturation (HSL)94.23%
Lightness40.78%
Dominant channelBlue
Hex per channelR 06 · G 38 · B CA

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Every value on this page was computed from “0638ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.