Colour

#375B99

#375B99
Blue
Dark
Nearest: Steel blue

#375B99 is a blue with RGB values 55, 91, 153 and HSL 218°, 47%, 41%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#375B99#375B99

HEX#375B99

RGBrgb(55, 91, 153)

RGB (0–1)0.2157, 0.3569, 0.6

RGB percentages21.6%, 35.7%, 60%

HSLhsl(218, 47.1%, 40.8%)

HSV / HSBhsv(218, 64.1%, 60%)

CMYK64.1%, 40.5%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,627,929

CSS custom property--colour: #375B99;

Brightness & contrast

Relative luminance0.10594WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.73:1

Contrast with white6.73:1WCAG normal text: AA

Contrast with black3.12:1WCAG normal text: Fail

Greyscale equivalent#585858

Inverted#C8A466

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#40609Bno red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#325798no green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#006972no blue cones; rare, and affects men and women equally; ΔE 38.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.73:1WCAG large text: AAA

Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.7 Dark slateblue · ΔE 20.6 Cornflower blue · ΔE 25.8 Slate grey · ΔE 32.1 Dodgerblue · ΔE 32.9 Light slate grey · ΔE 33.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.73, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#997537

Analogous#378C99, #443799

Triadic#99375B, #5B9937

Split complementary#994437, #8C9937

Tetradic#99378C, #997537, #379944

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#B7C8E5

Lighter +30%#91ABD8

Lighter +20%#6C8ECA

Lighter +10%#4672BD

Darker −10%#2A4573

Darker −20%#1C2E4E

Darker −30%#0F1828

Darker −40%#010203

More saturated +25%#1D54B3

Less saturated −25%#51627F

Channel breakdown

R55

G91

B153

Red55 (21.6%)

Green91 (35.7%)

Blue153 (60%)

Hue217.96°

Saturation (HSL)47.12%

Lightness40.78%

Dominant channelBlue

Hex per channelR 37 · G 5B · B 99

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#375B99

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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