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Recognised as Colour

#4491D4

  • #4491D4
  • Blue
  • Dark
  • Nearest: Steel blue

#4491D4 is a blue with RGB values 68, 145, 212 and HSL 208°, 63%, 55%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4491D4#4491D4
HEX#4491D4
RGBrgb(68, 145, 212)
RGB (0–1)0.2667, 0.5686, 0.8314
RGB percentages26.7%, 56.9%, 83.1%
HSLhsl(207.9, 62.6%, 54.9%)
HSV / HSBhsv(207.9, 67.9%, 83.1%)
CMYK67.9%, 31.6%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,493,780
CSS custom property--colour: #4491D4;

Brightness & contrast

Relative luminance0.26233WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.25:1
Contrast with white3.36:1WCAG normal text: Fail
Contrast with black6.25:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#BB6E2B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7394D7no red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#5F86D3no green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#00A1A9no blue cones; rare, and affects men and women equally; ΔE 39.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.36:1WCAG large text: AA
Contrast with black, large text6.25:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.9Cornflower blue · ΔE 14.6Deep skyblue · ΔE 21Dodgerblue · ΔE 25.3Light skyblue · ΔE 26.4Light slate grey · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D48744
Analogous#44D4CF, #4449D4
Triadic#D44491, #91D444
Split complementary#D44449, #D4CF44
Tetradic#CF44D4, #D48744, #49D444

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAF3FA
Lighter +30%#C0DAF1
Lighter +20%#97C2E7
Lighter +10%#6DA9DE
Darker −10%#2B77BA
Darker −20%#215D91
Darker −30%#184267
Darker −40%#0E283E
More saturated +25%#2793F1
Less saturated −25%#618FB7

Channel breakdown

R68
G145
B212
Red68 (26.7%)
Green145 (56.9%)
Blue212 (83.1%)
Hue207.92°
Saturation (HSL)62.61%
Lightness54.9%
Dominant channelBlue
Hex per channelR 44 · G 91 · B D4

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Every value on this page was computed from “4491d4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.