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Recognised as Colour

#2645B8

  • #2645B8
  • Blue
  • Dark
  • Nearest: Slate blue

#2645B8 is a blue with RGB values 38, 69, 184 and HSL 227°, 66%, 44%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2645B8#2645B8
HEX#2645B8
RGBrgb(38, 69, 184)
RGB (0–1)0.149, 0.2706, 0.7216
RGB percentages14.9%, 27.1%, 72.2%
HSLhsl(227.3, 65.8%, 43.5%)
HSV / HSBhsv(227.3, 79.3%, 72.2%)
CMYK79.3%, 62.5%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,508,216
CSS custom property--colour: #2645B8;

Brightness & contrast

Relative luminance0.08129WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8:1
Contrast with white8:1WCAG normal text: AAA
Contrast with black2.63:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#D9BA47

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058BCno red cones; affects about 1% of men; ΔE 15 from the original
Deuteranopia#004AB6no green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#006378no blue cones; rare, and affects men and women equally; ΔE 65.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8:1WCAG large text: AAA
Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Slate blue · ΔE 13.5Royal blue · ΔE 14.6Rebecca purple · ΔE 20.3Medium slateblue · ΔE 20.5Dark slateblue · ΔE 22.6Midnight blue · ΔE 23.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 13.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B89926
Analogous#268EB8, #5026B8
Triadic#B82645, #45B826
Split complementary#B85026, #8EB826
Tetradic#B8268E, #B89926, #26B850

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9C5F1
Lighter +30%#8FA2E8
Lighter +20%#657FDF
Lighter +10%#3B5CD6
Darker −10%#1D358E
Darker −20%#152563
Darker −30%#0C1539
Darker −40%#03060F
More saturated +25%#0A35D4
Less saturated −25%#42559C

Channel breakdown

R38
G69
B184
Red38 (14.9%)
Green69 (27.1%)
Blue184 (72.2%)
Hue227.26°
Saturation (HSL)65.77%
Lightness43.53%
Dominant channelBlue
Hex per channelR 26 · G 45 · B B8

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Every value on this page was computed from “2645b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.