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Colour

#263F6C

  • #263F6C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#263F6C is a blue with RGB values 38, 63, 108 and HSL 219°, 48%, 29%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#263F6C#263F6C
HEX#263F6C
RGBrgb(38, 63, 108)
RGB (0–1)0.149, 0.2471, 0.4235
RGB percentages14.9%, 24.7%, 42.4%
HSLhsl(218.6, 47.9%, 28.6%)
HSV / HSBhsv(218.6, 64.8%, 42.4%)
CMYK64.8%, 41.7%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,506,604
CSS custom property--colour: #263F6C;

Brightness & contrast

Relative luminance0.0505WCAG 2.x, 0 is black and 1 is white
Perceived brightness64 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.45:1
Contrast with white10.45:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#D9C093

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B436Eno red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#223D6Bno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#004950no blue cones; rare, and affects men and women equally; ΔE 29.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.45:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.2Steel blue · ΔE 27.7Dark slate grey · ΔE 31.3Slate grey · ΔE 32.9Dim grey · ΔE 34.5Midnight blue · ΔE 34.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C5326
Analogous#26626C, #30266C
Triadic#6C263F, #3F6C26
Split complementary#6C3026, #626C26
Tetradic#6C2662, #6C5326, #266C30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89A4D5
Lighter +30%#6387C8
Lighter +20%#416BB7
Lighter +10%#335592
Darker −10%#192946
Darker −20%#0B1321
Darker −30%#000000
Darker −40%#000000
More saturated +25%#143A7E
Less saturated −25%#38445A

Channel breakdown

R38
G63
B108
Red38 (14.9%)
Green63 (24.7%)
Blue108 (42.4%)
Hue218.57°
Saturation (HSL)47.95%
Lightness28.63%
Dominant channelBlue
Hex per channelR 26 · G 3F · B 6C

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Every value on this page was computed from “263f6c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.