Recognised as Colour

#045B87

#045B87
Blue
Dark
Nearest: Steel blue

#045B87 is a blue with RGB values 4, 91, 135 and HSL 200°, 94%, 27%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#045B87#045B87

HEX#045B87

RGBrgb(4, 91, 135)

RGB (0–1)0.0157, 0.3569, 0.5294

RGB percentages1.6%, 35.7%, 52.9%

HSLhsl(200.2, 94.2%, 27.3%)

HSV / HSBhsv(200.2, 97%, 52.9%)

CMYK97%, 32.6%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer285,575

CSS custom property--colour: #045B87;

Brightness & contrast

Relative luminance0.09257WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.36:1

Contrast with white7.36:1WCAG normal text: AAA

Contrast with black2.85:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#FBA478

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#465C89no red cones; affects about 1% of men; ΔE 11.2 from the original

Deuteranopia#355186no green cones; the most common form, about 1% of men; ΔE 12.7 from the original

Tritanopia#00666Bno blue cones; rare, and affects men and women equally; ΔE 27.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.36:1WCAG large text: AAA

Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.1 Slate grey · ΔE 26.2 Light slate grey · ΔE 27.9 Dark slate grey · ΔE 28.2 Dim grey · ΔE 32.3 Dark slateblue · ΔE 34.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 16.12, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#873004

Analogous#048772, #041987

Triadic#87045B, #5B8704

Split complementary#870419, #877204

Tetradic#720487, #873004, #198704

Tints, shades & saturation

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

Lighter +40%#5DC5FA

Lighter +30%#2BB4F9

Lighter +20%#079EEA

Lighter +10%#057CB9

Darker −10%#033A55

Darker −20%#011824

Darker −30%#000000

Darker −40%#000000

More saturated +25%#005C8B

Less saturated −25%#155576

Channel breakdown

G91

B135

Red4 (1.6%)

Green91 (35.7%)

Blue135 (52.9%)

Hue200.15°

Saturation (HSL)94.24%

Lightness27.25%

Dominant channelBlue

Hex per channelR 04 · G 5B · B 87

Keep nerding

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

#045B87

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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