Nerdulator> put something in

Recognised as Colour

#19427B

  • #19427B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#19427B is a blue with RGB values 25, 66, 123 and HSL 215°, 66%, 29%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#19427B#19427B
HEX#19427B
RGBrgb(25, 66, 123)
RGB (0–1)0.098, 0.2588, 0.4824
RGB percentages9.8%, 25.9%, 48.2%
HSLhsl(214.9, 66.2%, 29%)
HSV / HSBhsv(214.9, 79.7%, 48.2%)
CMYK79.7%, 46.3%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,655,419
CSS custom property--colour: #19427B;

Brightness & contrast

Relative luminance0.05533WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.97:1
Contrast with white9.97:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#E6BD84

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#25477Dno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#103E7Ano green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#004F58no blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.97:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Steel blue · ΔE 27.3Midnight blue · ΔE 30Cornflower blue · ΔE 36.1Rebecca purple · ΔE 37Slate grey · ΔE 37.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B5219
Analogous#19737B, #21197B
Triadic#7B1942, #427B19
Split complementary#7B2119, #737B19
Tetradic#7B1973, #7B5219, #197B21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CA7E4
Lighter +30%#518BDC
Lighter +20%#2A6FD0
Lighter +10%#2259A5
Darker −10%#102B51
Darker −20%#081526
Darker −30%#000000
Darker −40%#000000
More saturated +25%#073F8E
Less saturated −25%#2C4569

Channel breakdown

R25
G66
B123
Red25 (9.8%)
Green66 (25.9%)
Blue123 (48.2%)
Hue214.9°
Saturation (HSL)66.22%
Lightness29.02%
Dominant channelBlue
Hex per channelR 19 · G 42 · B 7B

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 “19427b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.