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Colour

#263D74

  • #263D74
  • Blue
  • Dark
  • Nearest: Dark slateblue

#263D74 is a blue with RGB values 38, 61, 116 and HSL 222°, 51%, 30%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#263D74#263D74
HEX#263D74
RGBrgb(38, 61, 116)
RGB (0–1)0.149, 0.2392, 0.4549
RGB percentages14.9%, 23.9%, 45.5%
HSLhsl(222.3, 50.6%, 30.2%)
HSV / HSBhsv(222.3, 67.2%, 45.5%)
CMYK67.2%, 47.4%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,506,100
CSS custom property--colour: #263D74;

Brightness & contrast

Relative luminance0.05011WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.49:1
Contrast with white10.49:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#D9C28B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#224376no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#153C73no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#004A52no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.49:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.9Midnight blue · ΔE 28.3Steel blue · ΔE 29.6Rebecca purple · ΔE 35.4Slate grey · ΔE 37.5Dark slate grey · ΔE 38.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#745D26
Analogous#266474, #362674
Triadic#74263D, #3D7426
Split complementary#743626, #647426
Tetradic#742664, #745D26, #267436

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DA3D9
Lighter +30%#6684CD
Lighter +20%#4066C0
Lighter +10%#33519A
Darker −10%#19294E
Darker −20%#0D1527
Darker −30%#000001
Darker −40%#000000
More saturated +25%#133587
Less saturated −25%#394561

Channel breakdown

R38
G61
B116
Red38 (14.9%)
Green61 (23.9%)
Blue116 (45.5%)
Hue222.31°
Saturation (HSL)50.65%
Lightness30.2%
Dominant channelBlue
Hex per channelR 26 · G 3D · B 74

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Every value on this page was computed from “263d74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.