Nerdulator> put something in

Recognised as Colour

#4099CE

  • #4099CE
  • Blue
  • Dark
  • Nearest: Steel blue

#4099CE is a blue with RGB values 64, 153, 206 and HSL 202°, 59%, 53%. 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

#4099CE#4099CE
HEX#4099CE
RGBrgb(64, 153, 206)
RGB (0–1)0.251, 0.6, 0.8078
RGB percentages25.1%, 60%, 80.8%
HSLhsl(202.4, 59.2%, 52.9%)
HSV / HSBhsv(202.4, 68.9%, 80.8%)
CMYK68.9%, 25.7%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,233,678
CSS custom property--colour: #4099CE;

Brightness & contrast

Relative luminance0.28329WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.67:1
Contrast with white3.15:1WCAG normal text: Fail
Contrast with black6.67:1WCAG normal text: AA
Greyscale equivalent#8A8A8A
Inverted#BF6631

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8099D0no red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#6D8BCDno green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#00A6ABno blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.15:1WCAG large text: AA
Contrast with black, large text6.67:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.8Deep skyblue · ΔE 16.6Light skyblue · ΔE 20.6Cornflower blue · ΔE 23.8Sky blue · ΔE 24Light slate grey · ΔE 25.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE7540
Analogous#40CEBC, #4052CE
Triadic#CE4099, #99CE40
Split complementary#CE4052, #CEBC40
Tetradic#BC40CE, #CE7540, #52CE40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2F0F8
Lighter +30%#BADAED
Lighter +20%#91C4E3
Lighter +10%#69AFD8
Darker −10%#2D7EAE
Darker −20%#226186
Darker −30%#18435D
Darker −40%#0D2635
More saturated +25%#22A1EC
Less saturated −25%#5E91B0

Channel breakdown

R64
G153
B206
Red64 (25.1%)
Green153 (60%)
Blue206 (80.8%)
Hue202.39°
Saturation (HSL)59.17%
Lightness52.94%
Dominant channelBlue
Hex per channelR 40 · G 99 · B CE

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “4099ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.