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Colour

#4499DD

  • #4499DD
  • Blue
  • Dark
  • Nearest: Steel blue

#4499DD is a blue with RGB values 68, 153, 221 and HSL 207°, 69%, 57%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4499DD#4499DD
HEX#4499DD
HEX (short)#49D
RGBrgb(68, 153, 221)
RGB (0–1)0.2667, 0.6, 0.8667
RGB percentages26.7%, 60%, 86.7%
HSLhsl(206.7, 69.2%, 56.7%)
HSV / HSBhsv(206.7, 69.2%, 86.7%)
CMYK69.2%, 30.8%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,495,837
CSS custom property--colour: #4499DD;

Brightness & contrast

Relative luminance0.29232WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.85:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.85:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#BB6622

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A9BE0no red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#658DDCno green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#00A9B1no blue cones; rare, and affects men and women equally; ΔE 40 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.85:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13Cornflower blue · ΔE 15.1Deep skyblue · ΔE 18Light skyblue · ΔE 24.1Dodgerblue · ΔE 25.5Sky blue · ΔE 29.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD8844
Analogous#44DDD5, #444CDD
Triadic#DD4499, #99DD44
Split complementary#DD444C, #DDD544
Tetradic#D544DD, #DD8844, #4CDD44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F7FC
Lighter +30%#C5E0F5
Lighter +20%#9AC8ED
Lighter +10%#6FB1E5
Darker −10%#2580C9
Darker −20%#1D659E
Darker −30%#154973
Darker −40%#0D2E48
More saturated +25%#289CF9
Less saturated −25%#6096C1

Channel breakdown

R68
G153
B221
Red68 (26.7%)
Green153 (60%)
Blue221 (86.7%)
Hue206.67°
Saturation (HSL)69.23%
Lightness56.67%
Dominant channelBlue
Hex per channelR 44 · G 99 · B DD

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Every value on this page was computed from “4499dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.