Nerdulator> put something in

Recognised as Colour

#2584A3

  • #2584A3
  • Cyan
  • Dark
  • Nearest: Steel blue

#2584A3 is a cyan with RGB values 37, 132, 163 and HSL 195°, 63%, 39%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2584A3#2584A3
HEX#2584A3
RGBrgb(37, 132, 163)
RGB (0–1)0.1451, 0.5176, 0.6392
RGB percentages14.5%, 51.8%, 63.9%
HSLhsl(194.8, 63%, 39.2%)
HSV / HSBhsv(194.8, 77.3%, 63.9%)
CMYK77.3%, 19%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,458,787
CSS custom property--colour: #2584A3;

Brightness & contrast

Relative luminance0.1954WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.91:1
Contrast with white4.28:1WCAG normal text: Fail
Contrast with black4.91:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#DA7B5C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7381A5no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#6275A3no green cones; the most common form, about 1% of men; ΔE 21.5 from the original
Tritanopia#008D8Eno blue cones; rare, and affects men and women equally; ΔE 20.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.28:1WCAG large text: AA
Contrast with black, large text4.91:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.6Slate grey · ΔE 19.7Light slate grey · ΔE 19.7Cadetblue · ΔE 19.8Teal · ΔE 20.4Dark cyan · ΔE 21
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.58, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A34425
Analogous#25A383, #2545A3
Triadic#A32584, #84A325
Split complementary#A32545, #A38325
Tetradic#8325A3, #A34425, #45A325

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9DBEB
Lighter +30%#7FCAE2
Lighter +20%#55B8D9
Lighter +10%#2EA6CD
Darker −10%#1C6279
Darker −20%#124150
Darker −30%#091F26
Darker −40%#000000
More saturated +25%#0C91BC
Less saturated −25%#3E778A

Channel breakdown

R37
G132
B163
Red37 (14.5%)
Green132 (51.8%)
Blue163 (63.9%)
Hue194.76°
Saturation (HSL)63%
Lightness39.22%
Dominant channelBlue
Hex per channelR 25 · G 84 · B A3

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 “2584a3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.