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Recognised as Colour

#4025CB

  • #4025CB
  • Blue
  • Dark
  • Nearest: Medium blue

#4025CB is a blue with RGB values 64, 37, 203 and HSL 250°, 69%, 47%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#4025CB#4025CB
HEX#4025CB
RGBrgb(64, 37, 203)
RGB (0–1)0.251, 0.1451, 0.7961
RGB percentages25.1%, 14.5%, 79.6%
HSLhsl(249.8, 69.2%, 47.1%)
HSV / HSBhsv(249.8, 81.8%, 79.6%)
CMYK68.5%, 81.8%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,203,979
CSS custom property--colour: #4025CB;

Brightness & contrast

Relative luminance0.06725WCAG 2.x, 0 is black and 1 is white
Perceived brightness82 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.96:1
Contrast with white8.96:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#BFDA34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050CFno red cones; affects about 1% of men; ΔE 29.4 from the original
Deuteranopia#0042C8no green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#005A7Ano blue cones; rare, and affects men and women equally; ΔE 88.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.96:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Medium blue · ΔE 16.1Blue violet · ΔE 17.1Dark blue · ΔE 21.3Dark violet · ΔE 22.4Dark orchid · ΔE 24.4Navy · ΔE 25.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B0CB25
Analogous#255DCB, #9325CB
Triadic#CB4025, #25CB40
Split complementary#CB9325, #5DCB25
Tetradic#CB255D, #B0CB25, #25CB93

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFC7F5
Lighter +30%#A99CED
Lighter +20%#8471E5
Lighter +10%#5E46DD
Darker −10%#321DA0
Darker −20%#251575
Darker −30%#170D4A
Darker −40%#0A061E
More saturated +25%#2C07E9
Less saturated −25%#5443AD

Channel breakdown

R64
G37
B203
Red64 (25.1%)
Green37 (14.5%)
Blue203 (79.6%)
Hue249.76°
Saturation (HSL)69.17%
Lightness47.06%
Dominant channelBlue
Hex per channelR 40 · G 25 · B CB

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Every value on this page was computed from “4025cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.