Nerdulator> put something in

Recognised as Colour

#409ABB

  • #409ABB
  • Cyan
  • Dark
  • Nearest: Steel blue

#409ABB is a cyan with RGB values 64, 154, 187 and HSL 196°, 49%, 49%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#409ABB#409ABB
HEX#409ABB
RGBrgb(64, 154, 187)
RGB (0–1)0.251, 0.6039, 0.7333
RGB percentages25.1%, 60.4%, 73.3%
HSLhsl(196.1, 49%, 49.2%)
HSV / HSBhsv(196.1, 65.8%, 73.3%)
CMYK65.8%, 17.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,233,915
CSS custom property--colour: #409ABB;

Brightness & contrast

Relative luminance0.27789WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.56:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.56:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#BF6544

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8897BDno red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#778ABBno green cones; the most common form, about 1% of men; ΔE 21.9 from the original
Tritanopia#00A4A5no blue cones; rare, and affects men and women equally; ΔE 23 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.56:1WCAG large text: AAA

Named colours

Steel blue · ΔE 16Cadetblue · ΔE 17.9Sky blue · ΔE 19.9Light slate grey · ΔE 20.1Light skyblue · ΔE 21.1Slate grey · ΔE 21.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.96, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB6140
Analogous#40BB9F, #405CBB
Triadic#BB409A, #9ABB40
Split complementary#BB405C, #BB9F40
Tetradic#9F40BB, #BB6140, #5CBB40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6EAF1
Lighter +30%#B0D6E4
Lighter +20%#8AC2D7
Lighter +10%#64AFCA
Darker −10%#337B95
Darker −20%#265B6F
Darker −30%#193C49
Darker −40%#0C1D23
More saturated +25%#21A9DA
Less saturated −25%#5F8B9C

Channel breakdown

R64
G154
B187
Red64 (25.1%)
Green154 (60.4%)
Blue187 (73.3%)
Hue196.1°
Saturation (HSL)49%
Lightness49.22%
Dominant channelBlue
Hex per channelR 40 · G 9A · B BB

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 “409abb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.