Colour

#515D90

#515D90
Blue
Dark
Nearest: Steel blue

#515D90 is a blue with RGB values 81, 93, 144 and HSL 229°, 28%, 44%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#515D90#515D90

HEX#515D90

RGBrgb(81, 93, 144)

RGB (0–1)0.3176, 0.3647, 0.5647

RGB percentages31.8%, 36.5%, 56.5%

HSLhsl(228.6, 28%, 44.1%)

HSV / HSBhsv(228.6, 43.8%, 56.5%)

CMYK43.8%, 35.4%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,332,368

CSS custom property--colour: #515D90;

Brightness & contrast

Relative luminance0.11592WCAG 2.x, 0 is black and 1 is white

Perceived brightness97 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.33:1

Contrast with white6.33:1WCAG normal text: AA

Contrast with black3.32:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#AEA26F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B6292no red cones; affects about 1% of men; ΔE 4.3 from the original

Deuteranopia#465D8Fno green cones; the most common form, about 1% of men; ΔE 3.4 from the original

Tritanopia#3C6770no blue cones; rare, and affects men and women equally; ΔE 29.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.33:1WCAG large text: AAA

Contrast with black, large text3.32:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.2 Dark slateblue · ΔE 23 Slate grey · ΔE 25.4 Light slate grey · ΔE 26.7 Cornflower blue · ΔE 29 Dim grey · ΔE 31.3

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.16, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#908451

Analogous#517D90, #645190

Triadic#90515D, #5D9051

Split complementary#906451, #7D9051

Tetradic#90517D, #908451, #519064

Tints, shades & saturation

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

Lighter +40%#CBCFE2

Lighter +30%#ABB2CF

Lighter +20%#8A94BD

Lighter +10%#6976AB

Darker −10%#3F486F

Darker −20%#2C334F

Darker −30%#1A1E2E

Darker −40%#08090D

More saturated +25%#354CAC

Less saturated −25%#6D6E74

Channel breakdown

R81

G93

B144

Red81 (31.8%)

Green93 (36.5%)

Blue144 (56.5%)

Hue228.57°

Saturation (HSL)28%

Lightness44.12%

Dominant channelBlue

Hex per channelR 51 · G 5D · B 90

Keep nerding

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

#515D90

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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