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Recognised as Colour

#266FDB

  • #266FDB
  • Blue
  • Dark
  • Nearest: Royal blue

#266FDB is a blue with RGB values 38, 111, 219 and HSL 216°, 72%, 50%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#266FDB#266FDB
HEX#266FDB
RGBrgb(38, 111, 219)
RGB (0–1)0.149, 0.4353, 0.8588
RGB percentages14.9%, 43.5%, 85.9%
HSLhsl(215.8, 71.5%, 50.4%)
HSV / HSBhsv(215.8, 82.6%, 85.9%)
CMYK82.6%, 49.3%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,519,003
CSS custom property--colour: #266FDB;

Brightness & contrast

Relative luminance0.16895WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.8:1
Contrast with white4.8:1WCAG normal text: AA
Contrast with black4.38:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#D99024

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C7BDFno red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#006BD9no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#00899Ano blue cones; rare, and affects men and women equally; ΔE 60.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.8:1WCAG large text: AAA
Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.7Dodgerblue · ΔE 13.6Slate blue · ΔE 19.3Cornflower blue · ΔE 20Medium purple · ΔE 23.6Medium slateblue · ΔE 24.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.74, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DB9226
Analogous#26C9DB, #3726DB
Triadic#DB266F, #6FDB26
Split complementary#DB3826, #C9DB26
Tetradic#DB26CA, #DB9226, #26DB38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E3F8
Lighter +30%#A9C6F1
Lighter +20%#7DA9EA
Lighter +10%#528CE2
Darker −10%#1D59B1
Darker −20%#164385
Darker −30%#0F2D59
Darker −40%#08172D
More saturated +25%#0669FB
Less saturated −25%#4675BB

Channel breakdown

R38
G111
B219
Red38 (14.9%)
Green111 (43.5%)
Blue219 (85.9%)
Hue215.8°
Saturation (HSL)71.54%
Lightness50.39%
Dominant channelBlue
Hex per channelR 26 · G 6F · B DB

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Every value on this page was computed from “266fdb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.