Colour

#455A89

#455A89
Blue
Dark
Nearest: Steel blue

#455A89 is a blue with RGB values 69, 90, 137 and HSL 221°, 33%, 40%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#455A89#455A89

HEX#455A89

RGBrgb(69, 90, 137)

RGB (0–1)0.2706, 0.3529, 0.5373

RGB percentages27.1%, 35.3%, 53.7%

HSLhsl(221.5, 33%, 40.4%)

HSV / HSBhsv(221.5, 49.6%, 53.7%)

CMYK49.6%, 34.3%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,545,161

CSS custom property--colour: #455A89;

Brightness & contrast

Relative luminance0.10384WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.83:1

Contrast with white6.83:1WCAG normal text: AA

Contrast with black3.08:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#BAA576

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#485E8Bno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#415888no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#29646Bno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.83:1WCAG large text: AAA

Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.5 Slate grey · ΔE 24.4 Dark slateblue · ΔE 25.5 Light slate grey · ΔE 26 Dim grey · ΔE 29.8 Dark slate grey · ΔE 31.3

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.48, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#897445

Analogous#457C89, #524589

Triadic#89455A, #5A8945

Split complementary#895245, #7C8945

Tetradic#89457C, #897445, #458952

Tints, shades & saturation

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

Lighter +40%#BCC7DE

Lighter +30%#9BAACC

Lighter +20%#798DBB

Lighter +10%#5771AA

Darker −10%#344467

Darker −20%#232D45

Darker −30%#121723

Darker −40%#010101

More saturated +25%#2B50A3

Less saturated −25%#5F646F

Channel breakdown

R69

G90

B137

Red69 (27.1%)

Green90 (35.3%)

Blue137 (53.7%)

Hue221.47°

Saturation (HSL)33.01%

Lightness40.39%

Dominant channelBlue

Hex per channelR 45 · G 5A · B 89

Keep nerding

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

#455A89

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

Nerdulate something else