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Recognised as Colour

#263F61

  • #263F61
  • Blue
  • Dark
  • Nearest: Dark slate grey

#263F61 is a blue with RGB values 38, 63, 97 and HSL 215°, 44%, 26%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#263F61#263F61
HEX#263F61
RGBrgb(38, 63, 97)
RGB (0–1)0.149, 0.2471, 0.3804
RGB percentages14.9%, 24.7%, 38%
HSLhsl(214.6, 43.7%, 26.5%)
HSV / HSBhsv(214.6, 60.8%, 38%)
CMYK60.8%, 35.1%, 0%, 62%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,506,593
CSS custom property--colour: #263F61;

Brightness & contrast

Relative luminance0.0483WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.68:1
Contrast with white10.68:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#D9C09E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#314162no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#293C60no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#00474Bno blue cones; rare, and affects men and women equally; ΔE 24.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.68:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.1Steel blue · ΔE 28.4Dim grey · ΔE 29.4Slate grey · ΔE 29.6Dark slateblue · ΔE 31.1Light slate grey · ΔE 32.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#614826
Analogous#265D61, #2A2661
Triadic#61263F, #3F6126
Split complementary#612A26, #5D6126
Tetradic#61265D, #614826, #26612A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84A4CF
Lighter +30%#5F89C1
Lighter +20%#436FAA
Lighter +10%#345786
Darker −10%#18273C
Darker −20%#090F18
Darker −30%#000000
Darker −40%#000000
More saturated +25%#153C72
Less saturated −25%#374250

Channel breakdown

R38
G63
B97
Red38 (14.9%)
Green63 (24.7%)
Blue97 (38%)
Hue214.58°
Saturation (HSL)43.7%
Lightness26.47%
Dominant channelBlue
Hex per channelR 26 · G 3F · B 61

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Every value on this page was computed from “263f61” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.