Nerdulator> put something in

Recognised as Colour

#2A4243

  • #2A4243
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2A4243 is a cyan with RGB values 42, 66, 67 and HSL 182°, 23%, 21%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2A4243#2A4243
HEX#2A4243
RGBrgb(42, 66, 67)
RGB (0–1)0.1647, 0.2588, 0.2627
RGB percentages16.5%, 25.9%, 26.3%
HSLhsl(182.4, 22.9%, 21.4%)
HSV / HSBhsv(182.4, 37.3%, 26.3%)
CMYK37.3%, 1.5%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,769,475
CSS custom property--colour: #2A4243;

Brightness & contrast

Relative luminance0.04794WCAG 2.x, 0 is black and 1 is white
Perceived brightness60 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.72:1
Contrast with white10.72:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#D5BDBC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4043no red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#3A3C43no green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#214442no blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.72:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 5.8Dim grey · ΔE 20.7Black · ΔE 27.9Slate grey · ΔE 28.4Gray · ΔE 29.1Teal · ΔE 30.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 5.82, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#432B2A
Analogous#2A4338, #2A3643
Triadic#432A42, #42432A
Split complementary#432A36, #43382A
Tetradic#382A43, #432B2A, #36432A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86B1B3
Lighter +30%#679D9F
Lighter +20%#518082
Lighter +10%#3E6162
Darker −10%#162324
Darker −20%#030404
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C4F51
Less saturated −25%#373737

Channel breakdown

R42
G66
B67
Red42 (16.5%)
Green66 (25.9%)
Blue67 (26.3%)
Hue182.4°
Saturation (HSL)22.94%
Lightness21.37%
Dominant channelBlue
Hex per channelR 2A · G 42 · B 43

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 “2a4243” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.