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Colour

#263D77

  • #263D77
  • Blue
  • Dark
  • Nearest: Dark slateblue

#263D77 is a blue with RGB values 38, 61, 119 and HSL 223°, 52%, 31%. 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

#263D77#263D77
HEX#263D77
RGBrgb(38, 61, 119)
RGB (0–1)0.149, 0.2392, 0.4667
RGB percentages14.9%, 23.9%, 46.7%
HSLhsl(223, 51.6%, 30.8%)
HSV / HSBhsv(223, 68.1%, 46.7%)
CMYK68.1%, 48.7%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,506,103
CSS custom property--colour: #263D77;

Brightness & contrast

Relative luminance0.05081WCAG 2.x, 0 is black and 1 is white
Perceived brightness65 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.42:1
Contrast with white10.42:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#D9C288

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#204479no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#103C76no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#004A54no blue cones; rare, and affects men and women equally; ΔE 36.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.42:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.2Midnight blue · ΔE 26.7Steel blue · ΔE 30.2Rebecca purple · ΔE 33.7Cornflower blue · ΔE 37.5Slate blue · ΔE 37.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#776026
Analogous#266677, #372677
Triadic#77263D, #3D7726
Split complementary#773726, #667726
Tetradic#772666, #776026, #267737

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EA4DB
Lighter +30%#6785CF
Lighter +20%#4166C2
Lighter +10%#32519E
Darker −10%#1A2950
Darker −20%#0D152A
Darker −30%#010203
Darker −40%#000000
More saturated +25%#12358B
Less saturated −25%#3A4563

Channel breakdown

R38
G61
B119
Red38 (14.9%)
Green61 (23.9%)
Blue119 (46.7%)
Hue222.96°
Saturation (HSL)51.59%
Lightness30.78%
Dominant channelBlue
Hex per channelR 26 · G 3D · B 77

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Every value on this page was computed from “263d77” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.