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Recognised as Colour

#42529C

  • #42529C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#42529C is a blue with RGB values 66, 82, 156 and HSL 229°, 41%, 44%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#42529C#42529C
HEX#42529C
RGBrgb(66, 82, 156)
RGB (0–1)0.2588, 0.3216, 0.6118
RGB percentages25.9%, 32.2%, 61.2%
HSLhsl(229.3, 40.5%, 43.5%)
HSV / HSBhsv(229.3, 57.7%, 61.2%)
CMYK57.7%, 47.4%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,346,524
CSS custom property--colour: #42529C;

Brightness & contrast

Relative luminance0.09593WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.2:1
Contrast with white7.2:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#BDAD63

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#305B9Fno red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#23549Ano green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#08626Fno blue cones; rare, and affects men and women equally; ΔE 45.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.2:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.3Slate blue · ΔE 26Cornflower blue · ΔE 26.8Rebecca purple · ΔE 26.9Midnight blue · ΔE 27Royal blue · ΔE 27
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C8C42
Analogous#427F9C, #5F429C
Triadic#9C4252, #529C42
Split complementary#9C5F42, #7F9C42
Tetradic#9C427F, #9C8C42, #429C5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4CAE6
Lighter +30%#A0AAD7
Lighter +20%#7C8AC8
Lighter +10%#586AB9
Darker −10%#333F78
Darker −20%#242C54
Darker −30%#151930
Darker −40%#05070D
More saturated +25%#2640B8
Less saturated −25%#5E6480

Channel breakdown

R66
G82
B156
Red66 (25.9%)
Green82 (32.2%)
Blue156 (61.2%)
Hue229.33°
Saturation (HSL)40.54%
Lightness43.53%
Dominant channelBlue
Hex per channelR 42 · G 52 · B 9C

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Every value on this page was computed from “42529c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.