Nerdulator> put something in

Recognised as Colour

#2A2E40

  • #2A2E40
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2A2E40 is a blue with RGB values 42, 46, 64 and HSL 229°, 21%, 21%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2A2E40#2A2E40
HEX#2A2E40
RGBrgb(42, 46, 64)
RGB (0–1)0.1647, 0.1804, 0.251
RGB percentages16.5%, 18%, 25.1%
HSLhsl(229.1, 20.8%, 20.8%)
HSV / HSBhsv(229.1, 34.4%, 25.1%)
CMYK34.4%, 28.1%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,764,352
CSS custom property--colour: #2A2E40;

Brightness & contrast

Relative luminance0.02816WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.43:1
Contrast with white13.43:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#D5D1BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#293041no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#272E40no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#243134no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.43:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.9Black · ΔE 22.9Dim grey · ΔE 28Slate grey · ΔE 34Gray · ΔE 36.5Light slate grey · ΔE 37.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#403C2A
Analogous#2A3940, #312A40
Triadic#402A2E, #2E402A
Split complementary#40312A, #39402A
Tetradic#402A39, #403C2A, #2A4031

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#868EB0
Lighter +30%#67719C
Lighter +20%#525A7E
Lighter +10%#3E445F
Darker −10%#161821
Darker −20%#020202
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D264D
Less saturated −25%#353535

Channel breakdown

R42
G46
B64
Red42 (16.5%)
Green46 (18%)
Blue64 (25.1%)
Hue229.09°
Saturation (HSL)20.75%
Lightness20.78%
Dominant channelBlue
Hex per channelR 2A · G 2E · B 40

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 “2a2e40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.