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Colour

#4999CA

  • #4999CA
  • Blue
  • Dark
  • Nearest: Steel blue

#4999CA is a blue with RGB values 73, 153, 202 and HSL 203°, 55%, 54%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4999CA#4999CA
HEX#4999CA
RGBrgb(73, 153, 202)
RGB (0–1)0.2863, 0.6, 0.7922
RGB percentages28.6%, 60%, 79.2%
HSLhsl(202.8, 54.9%, 53.9%)
HSV / HSBhsv(202.8, 63.9%, 79.2%)
CMYK63.9%, 24.3%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,823,498
CSS custom property--colour: #4999CA;

Brightness & contrast

Relative luminance0.28463WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.69:1
Contrast with white3.14:1WCAG normal text: Fail
Contrast with black6.69:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#B66635

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8299CCno red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#718CC9no green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#00A5AAno blue cones; rare, and affects men and women equally; ΔE 30.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.14:1WCAG large text: AA
Contrast with black, large text6.69:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.5Deep skyblue · ΔE 17.9Light skyblue · ΔE 19.9Sky blue · ΔE 22.6Light slate grey · ΔE 22.9Slate grey · ΔE 24.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CA7A49
Analogous#49CABB, #4958CA
Triadic#CA4999, #99CA49
Split complementary#CA4958, #CABA49
Tetradic#BB49CA, #CA7A49, #59CA49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F2F8
Lighter +30%#BFDBED
Lighter +20%#98C5E1
Lighter +10%#70AFD6
Darker −10%#337FAD
Darker −20%#276286
Darker −30%#1C455E
Darker −40%#102837
More saturated +25%#2CA0E7
Less saturated −25%#6692AD

Channel breakdown

R73
G153
B202
Red73 (28.6%)
Green153 (60%)
Blue202 (79.2%)
Hue202.79°
Saturation (HSL)54.89%
Lightness53.92%
Dominant channelBlue
Hex per channelR 49 · G 99 · B CA

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Every value on this page was computed from “4999ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.