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Recognised as Colour

#407D99

  • #407D99
  • Cyan
  • Dark
  • Nearest: Steel blue

#407D99 is a cyan with RGB values 64, 125, 153 and HSL 199°, 41%, 43%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#407D99#407D99
HEX#407D99
RGBrgb(64, 125, 153)
RGB (0–1)0.251, 0.4902, 0.6
RGB percentages25.1%, 49%, 60%
HSLhsl(198.9, 41%, 42.5%)
HSV / HSBhsv(198.9, 58.2%, 60%)
CMYK58.2%, 18.3%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,226,457
CSS custom property--colour: #407D99;

Brightness & contrast

Relative luminance0.18057WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.61:1
Contrast with white4.55:1WCAG normal text: AA
Contrast with black4.61:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#BF8266

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F7B9Ano red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#627299no green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#008586no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.55:1WCAG large text: AAA
Contrast with black, large text4.61:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.6Slate grey · ΔE 14.3Light slate grey · ΔE 14.8Cadetblue · ΔE 19.8Teal · ΔE 21.7Dark cyan · ΔE 23
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.55, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#995C40
Analogous#409989, #405099
Triadic#99407D, #7D9940
Split complementary#994050, #998940
Tetradic#894099, #995C40, #519940

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0D9E5
Lighter +30%#9CC4D6
Lighter +20%#78AEC7
Lighter +10%#5498B8
Darker −10%#316075
Darker −20%#224251
Darker −30%#13252D
Darker −40%#040709
More saturated +25%#2587B4
Less saturated −25%#5B737E

Channel breakdown

R64
G125
B153
Red64 (25.1%)
Green125 (49%)
Blue153 (60%)
Hue198.88°
Saturation (HSL)41.01%
Lightness42.55%
Dominant channelBlue
Hex per channelR 40 · G 7D · B 99

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Every value on this page was computed from “407d99” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.