Nerdulator> put something in

Recognised as Colour

#72728B

  • #72728B
  • Blue
  • Dark
  • Nearest: Slate grey

#72728B is a blue with RGB values 114, 114, 139 and HSL 240°, 10%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#72728B#72728B
HEX#72728B
RGBrgb(114, 114, 139)
RGB (0–1)0.4471, 0.4471, 0.5451
RGB percentages44.7%, 44.7%, 54.5%
HSLhsl(240, 9.9%, 49.6%)
HSV / HSBhsv(240, 18%, 54.5%)
CMYK18%, 18%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,500,427
CSS custom property--colour: #72728B;

Brightness & contrast

Relative luminance0.17476WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.67:1
Contrast with white4.67:1WCAG normal text: AA
Contrast with black4.5:1WCAG normal text: Fail
Greyscale equivalent#747474
Inverted#8D8D74

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6C758Cno red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#6B738Ano green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#6D767Ano blue cones; rare, and affects men and women equally; ΔE 13 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.67:1WCAG large text: AAA
Contrast with black, large text4.5:1WCAG large text: AA

Named colours

Slate grey · ΔE 9.2Light slate grey · ΔE 10.8Dim grey · ΔE 15.4Gray · ΔE 15.4Steel blue · ΔE 21.2Dark grey · ΔE 25.1
Nearest named CSS colourSlate grey (#708090)ΔE 9.17, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B8B72
Analogous#727F8B, #7F728B
Triadic#8B7272, #728B72
Split complementary#8B7F72, #7F8B72
Tetradic#8B727F, #8B8B72, #728B7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2E2E7
Lighter +30%#C6C6D0
Lighter +20%#AAAAB9
Lighter +10%#8E8EA2
Darker −10%#5B5B6F
Darker −20%#444453
Darker −30%#2D2D37
Darker −40%#16161B
More saturated +25%#5252AB
Less saturated −25%#7F7F7F

Channel breakdown

R114
G114
B139
Red114 (44.7%)
Green114 (44.7%)
Blue139 (54.5%)
Hue240°
Saturation (HSL)9.88%
Lightness49.61%
Dominant channelBlue
Hex per channelR 72 · G 72 · B 8B

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 “72728b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.