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Recognised as Colour

#375A89

  • #375A89
  • Blue
  • Dark
  • Nearest: Steel blue

#375A89 is a blue with RGB values 55, 90, 137 and HSL 214°, 43%, 38%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#375A89#375A89
HEX#375A89
RGBrgb(55, 90, 137)
RGB (0–1)0.2157, 0.3529, 0.5373
RGB percentages21.6%, 35.3%, 53.7%
HSLhsl(214.4, 42.7%, 37.6%)
HSV / HSBhsv(214.4, 59.9%, 53.7%)
CMYK59.9%, 34.3%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,627,657
CSS custom property--colour: #375A89;

Brightness & contrast

Relative luminance0.09931WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.03:1
Contrast with white7.03:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#C8A576

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#475D8Bno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#3C5588no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#00656Bno blue cones; rare, and affects men and women equally; ΔE 31.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.03:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.3Slate grey · ΔE 25Light slate grey · ΔE 26.6Dark slateblue · ΔE 27.4Dark slate grey · ΔE 30.5Dim grey · ΔE 30.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#896637
Analogous#378389, #3D3789
Triadic#89375A, #5A8937
Split complementary#893D37, #838937
Tetradic#893783, #896637, #37893D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEC2DE
Lighter +30%#89A7D0
Lighter +20%#658CC1
Lighter +10%#4672AD
Darker −10%#284265
Darker −20%#1A2A40
Darker −30%#0B121C
Darker −40%#000000
More saturated +25%#1F56A1
Less saturated −25%#4F5E71

Channel breakdown

R55
G90
B137
Red55 (21.6%)
Green90 (35.3%)
Blue137 (53.7%)
Hue214.39°
Saturation (HSL)42.71%
Lightness37.65%
Dominant channelBlue
Hex per channelR 37 · G 5A · B 89

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Every value on this page was computed from “375a89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.