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Recognised as Colour

#405F70

  • #405F70
  • Blue
  • Dark
  • Nearest: Dark slate grey

#405F70 is a blue with RGB values 64, 95, 112 and HSL 201°, 27%, 35%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#405F70#405F70
HEX#405F70
RGBrgb(64, 95, 112)
RGB (0–1)0.251, 0.3725, 0.4392
RGB percentages25.1%, 37.3%, 43.9%
HSLhsl(201.3, 27.3%, 34.5%)
HSV / HSBhsv(201.3, 42.9%, 43.9%)
CMYK42.9%, 15.2%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,218,736
CSS custom property--colour: #405F70;

Brightness & contrast

Relative luminance0.10444WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.8:1
Contrast with white6.8:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#BFA08F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#575E71no red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#505970no green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#2D6464no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.8:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 13.1Slate grey · ΔE 15.1Dim grey · ΔE 15.8Light slate grey · ΔE 17.9Gray · ΔE 21Steel blue · ΔE 23.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#705140
Analogous#407069, #404770
Triadic#70405F, #5F7040
Split complementary#704047, #706940
Tetradic#694070, #705140, #477040

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC3D0
Lighter +30%#8CACBD
Lighter +20%#6B94AB
Lighter +10%#537B90
Darker −10%#2D4350
Darker −20%#1B282F
Darker −30%#080C0F
Darker −40%#000000
More saturated +25%#2A6586
Less saturated −25%#56595A

Channel breakdown

R64
G95
B112
Red64 (25.1%)
Green95 (37.3%)
Blue112 (43.9%)
Hue201.25°
Saturation (HSL)27.27%
Lightness34.51%
Dominant channelBlue
Hex per channelR 40 · G 5F · B 70

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Every value on this page was computed from “405f70” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.