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Recognised as Colour

#1969DF

  • #1969DF
  • Blue
  • Dark
  • Nearest: Royal blue

#1969DF is a blue with RGB values 25, 105, 223 and HSL 216°, 80%, 49%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1969DF#1969DF
HEX#1969DF
RGBrgb(25, 105, 223)
RGB (0–1)0.098, 0.4118, 0.8745
RGB percentages9.8%, 41.2%, 87.5%
HSLhsl(215.8, 79.8%, 48.6%)
HSV / HSBhsv(215.8, 88.8%, 87.5%)
CMYK88.8%, 52.9%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,665,503
CSS custom property--colour: #1969DF;

Brightness & contrast

Relative luminance0.15638WCAG 2.x, 0 is black and 1 is white
Perceived brightness111 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#E69620

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077E3no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#0066DDno green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#00869Ano blue cones; rare, and affects men and women equally; ΔE 65.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Royal blue · ΔE 4.8Slate blue · ΔE 16.7Dodgerblue · ΔE 17.7Medium slateblue · ΔE 20.1Medium purple · ΔE 23.7Cornflower blue · ΔE 26.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 4.79, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF8F19
Analogous#19CCDF, #2C19DF
Triadic#DF1969, #69DF19
Split complementary#DF2C19, #CCDF19
Tetradic#DF19CC, #DF8F19, #19DF2C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBDEF9
Lighter +30%#9DC0F4
Lighter +20%#6FA3EF
Lighter +10%#4185EA
Darker −10%#1453B1
Darker −20%#0F3E83
Darker −30%#0A2855
Darker −40%#041328
More saturated +25%#0064F8
Less saturated −25%#386FC0

Channel breakdown

R25
G105
B223
Red25 (9.8%)
Green105 (41.2%)
Blue223 (87.5%)
Hue215.76°
Saturation (HSL)79.84%
Lightness48.63%
Dominant channelBlue
Hex per channelR 19 · G 69 · B DF

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Every value on this page was computed from “1969df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.