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Recognised as Colour

#45639A

  • #45639A
  • Blue
  • Dark
  • Nearest: Steel blue

#45639A is a blue with RGB values 69, 99, 154 and HSL 219°, 38%, 44%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#45639A#45639A
HEX#45639A
RGBrgb(69, 99, 154)
RGB (0–1)0.2706, 0.3882, 0.6039
RGB percentages27.1%, 38.8%, 60.4%
HSLhsl(218.8, 38.1%, 43.7%)
HSV / HSBhsv(218.8, 55.2%, 60.4%)
CMYK55.2%, 35.7%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,547,482
CSS custom property--colour: #45639A;

Brightness & contrast

Relative luminance0.12522WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.99:1
Contrast with white5.99:1WCAG normal text: AA
Contrast with black3.5:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#BA9C65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D679Cno red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#436099no green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#156F77no blue cones; rare, and affects men and women equally; ΔE 35.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.99:1WCAG large text: AAA
Contrast with black, large text3.5:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.4Dark slateblue · ΔE 24.7Cornflower blue · ΔE 25.7Slate grey · ΔE 26.4Light slate grey · ΔE 27.4Dim grey · ΔE 33.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A7C45
Analogous#458E9A, #51459A
Triadic#9A4563, #639A45
Split complementary#9A5245, #8E9A45
Tetradic#9A458E, #9A7C45, #459A52

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6D1E5
Lighter +30%#A2B4D6
Lighter +20%#7F98C6
Lighter +10%#5C7CB6
Darker −10%#354C77
Darker −20%#253654
Darker −30%#161F30
Darker −40%#06080D
More saturated +25%#295BB6
Less saturated −25%#616B7E

Channel breakdown

R69
G99
B154
Red69 (27.1%)
Green99 (38.8%)
Blue154 (60.4%)
Hue218.82°
Saturation (HSL)38.12%
Lightness43.73%
Dominant channelBlue
Hex per channelR 45 · G 63 · B 9A

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Every value on this page was computed from “45639a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.