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Recognised as Colour

#0538CB

  • #0538CB
  • Blue
  • Dark
  • Nearest: Dark blue

#0538CB is a blue with RGB values 5, 56, 203 and HSL 225°, 95%, 41%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0538CB#0538CB
HEX#0538CB
RGBrgb(5, 56, 203)
RGB (0–1)0.0196, 0.2196, 0.7961
RGB percentages2%, 22%, 79.6%
HSLhsl(224.5, 95.2%, 40.8%)
HSV / HSBhsv(224.5, 97.5%, 79.6%)
CMYK97.5%, 72.4%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer342,219
CSS custom property--colour: #0538CB;

Brightness & contrast

Relative luminance0.07172WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.63:1
Contrast with white8.63:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#FAC734

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055CFno red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#0043C8no green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#00637Eno blue cones; rare, and affects men and women equally; ΔE 81.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.63:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Dark blue · ΔE 20.7Navy · ΔE 23.7Medium slateblue · ΔE 24.1Slate blue · ΔE 25.9Medium blue · ΔE 26.9Blue violet · ΔE 27.1
Nearest named CSS colourDark blue (#00008B)ΔE 20.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB9805
Analogous#059BCB, #3505CB
Triadic#CB0538, #38CB05
Split complementary#CB3505, #9BCB05
Tetradic#CB059B, #CB9805, #05CB35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FB7FD
Lighter +30%#6E92FB
Lighter +20%#3C6DFA
Lighter +10%#0A48F9
Darker −10%#042A99
Darker −20%#031D67
Darker −30%#010F36
Darker −40%#000104
More saturated +25%#0036D0
Less saturated −25%#1F45B1

Channel breakdown

R5
G56
B203
Red5 (2%)
Green56 (22%)
Blue203 (79.6%)
Hue224.55°
Saturation (HSL)95.19%
Lightness40.78%
Dominant channelBlue
Hex per channelR 05 · G 38 · B CB

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Every value on this page was computed from “0538cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.