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Colour

#404F72

  • #404F72
  • Blue
  • Dark
  • Nearest: Steel blue

#404F72 is a blue with RGB values 64, 79, 114 and HSL 222°, 28%, 35%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#404F72#404F72
HEX#404F72
RGBrgb(64, 79, 114)
RGB (0–1)0.251, 0.3098, 0.4471
RGB percentages25.1%, 31%, 44.7%
HSLhsl(222, 28.1%, 34.9%)
HSV / HSBhsv(222, 43.9%, 44.7%)
CMYK43.9%, 30.7%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,214,642
CSS custom property--colour: #404F72;

Brightness & contrast

Relative luminance0.07897WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.14:1
Contrast with white8.14:1WCAG normal text: AAA
Contrast with black2.58:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#BFB08D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#435274no red cones; affects about 1% of men; ΔE 1.4 from the original
Deuteranopia#3E4D71no green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#2F565Bno blue cones; rare, and affects men and women equally; ΔE 22.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.14:1WCAG large text: AAA
Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Steel blue · ΔE 22.8Slate grey · ΔE 23.1Dark slate grey · ΔE 24.3Dim grey · ΔE 24.7Light slate grey · ΔE 25.5Gray · ΔE 29.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 22.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#726340
Analogous#406872, #4A4072
Triadic#72404F, #4F7240
Split complementary#724A40, #687240
Tetradic#724068, #726340, #40724A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADB8D1
Lighter +30%#8C9BBF
Lighter +20%#6C7FAC
Lighter +10%#526693
Darker −10%#2E3851
Darker −20%#1B2231
Darker −30%#090B10
Darker −40%#000000
More saturated +25%#2A4688
Less saturated −25%#56585C

Channel breakdown

R64
G79
B114
Red64 (25.1%)
Green79 (31%)
Blue114 (44.7%)
Hue222°
Saturation (HSL)28.09%
Lightness34.9%
Dominant channelBlue
Hex per channelR 40 · G 4F · B 72

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Every value on this page was computed from “404f72” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.