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Recognised as Colour

#1966A5

  • #1966A5
  • Blue
  • Dark
  • Nearest: Steel blue

#1966A5 is a blue with RGB values 25, 102, 165 and HSL 207°, 74%, 37%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1966A5#1966A5
HEX#1966A5
RGBrgb(25, 102, 165)
RGB (0–1)0.098, 0.4, 0.6471
RGB percentages9.8%, 40%, 64.7%
HSLhsl(207, 73.7%, 37.3%)
HSV / HSBhsv(207, 84.8%, 64.7%)
CMYK84.8%, 38.2%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,664,677
CSS custom property--colour: #1966A5;

Brightness & contrast

Relative luminance0.12426WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.03:1
Contrast with white6.03:1WCAG normal text: AA
Contrast with black3.49:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#E6995A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#486AA8no red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#325DA4no green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#00757Dno blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.03:1WCAG large text: AAA
Contrast with black, large text3.49:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.2Cornflower blue · ΔE 23.6Dark slateblue · ΔE 27.5Dodgerblue · ΔE 30.4Slate grey · ΔE 31.8Light slate grey · ΔE 32.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A55819
Analogous#19A59E, #1920A5
Triadic#A51966, #66A519
Split complementary#A51920, #A59E19
Tetradic#9E19A5, #A55819, #20A519

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AC9F0
Lighter +30%#6EB2E9
Lighter +20%#429AE2
Lighter +10%#2081D1
Darker −10%#124B79
Darker −20%#0C2F4C
Darker −30%#051420
Darker −40%#000000
More saturated +25%#0168BD
Less saturated −25%#31648D

Channel breakdown

R25
G102
B165
Red25 (9.8%)
Green102 (40%)
Blue165 (64.7%)
Hue207°
Saturation (HSL)73.68%
Lightness37.25%
Dominant channelBlue
Hex per channelR 19 · G 66 · B A5

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Every value on this page was computed from “1966a5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.