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Recognised as Colour

#45638B

  • #45638B
  • Blue
  • Dark
  • Nearest: Steel blue

#45638B is a blue with RGB values 69, 99, 139 and HSL 214°, 34%, 41%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#45638B#45638B
HEX#45638B
RGBrgb(69, 99, 139)
RGB (0–1)0.2706, 0.3882, 0.5451
RGB percentages27.1%, 38.8%, 54.5%
HSLhsl(214.3, 33.7%, 40.8%)
HSV / HSBhsv(214.3, 50.4%, 54.5%)
CMYK50.4%, 28.8%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,547,467
CSS custom property--colour: #45638B;

Brightness & contrast

Relative luminance0.12053WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.16:1
Contrast with white6.16:1WCAG normal text: AA
Contrast with black3.41:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#BA9C74

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#53658Dno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#4B5E8Ano green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#266C71no blue cones; rare, and affects men and women equally; ΔE 26.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.16:1WCAG large text: AAA
Contrast with black, large text3.41:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.9Slate grey · ΔE 19.1Light slate grey · ΔE 20.8Dim grey · ΔE 25.7Dark slate grey · ΔE 27.1Gray · ΔE 28.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B6D45
Analogous#45868B, #4A458B
Triadic#8B4563, #638B45
Split complementary#8B4A45, #868B45
Tetradic#8B4586, #8B6D45, #458B4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BECCDE
Lighter +30%#9BB1CE
Lighter +20%#7996BD
Lighter +10%#577BAC
Darker −10%#344B69
Darker −20%#233247
Darker −30%#121A25
Darker −40%#010203
More saturated +25%#2B5FA5
Less saturated −25%#5F6771

Channel breakdown

R69
G99
B139
Red69 (27.1%)
Green99 (38.8%)
Blue139 (54.5%)
Hue214.29°
Saturation (HSL)33.65%
Lightness40.78%
Dominant channelBlue
Hex per channelR 45 · G 63 · B 8B

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Every value on this page was computed from “45638b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.