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Recognised as Colour

#425BAA

  • #425BAA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#425BAA is a blue with RGB values 66, 91, 170 and HSL 226°, 44%, 46%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#425BAA#425BAA
HEX#425BAA
RGBrgb(66, 91, 170)
RGB (0–1)0.2588, 0.3569, 0.6667
RGB percentages25.9%, 35.7%, 66.7%
HSLhsl(225.6, 44.1%, 46.3%)
HSV / HSBhsv(225.6, 61.2%, 66.7%)
CMYK61.2%, 46.5%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,348,842
CSS custom property--colour: #425BAA;

Brightness & contrast

Relative luminance0.11543WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.35:1
Contrast with white6.35:1WCAG normal text: AA
Contrast with black3.31:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#BDA455

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3564ADno red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#255BA8no green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#006D7Ano blue cones; rare, and affects men and women equally; ΔE 48 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.35:1WCAG large text: AAA
Contrast with black, large text3.31:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 14.5Cornflower blue · ΔE 22.7Royal blue · ΔE 23.7Slate blue · ΔE 24.3Medium purple · ΔE 26Steel blue · ΔE 26.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA9142
Analogous#428FAA, #5D42AA
Triadic#AA425B, #5BAA42
Split complementary#AA5D42, #8FAA42
Tetradic#AA428F, #AA9142, #42AA5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDD4EB
Lighter +30%#A8B5DD
Lighter +20%#8395CF
Lighter +10%#5E76C1
Darker −10%#344785
Darker −20%#253461
Darker −30%#17203C
Darker −40%#090C17
More saturated +25%#254CC7
Less saturated −25%#606A8C

Channel breakdown

R66
G91
B170
Red66 (25.9%)
Green91 (35.7%)
Blue170 (66.7%)
Hue225.58°
Saturation (HSL)44.07%
Lightness46.27%
Dominant channelBlue
Hex per channelR 42 · G 5B · B AA

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Every value on this page was computed from “425baa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.