Colour

#215B97

#215B97
Blue
Dark
Nearest: Steel blue

#215B97 is a blue with RGB values 33, 91, 151 and HSL 211°, 64%, 36%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#215B97#215B97

HEX#215B97

RGBrgb(33, 91, 151)

RGB (0–1)0.1294, 0.3569, 0.5922

RGB percentages12.9%, 35.7%, 59.2%

HSLhsl(210.5, 64.1%, 36.1%)

HSV / HSBhsv(210.5, 78.1%, 59.2%)

CMYK78.1%, 39.7%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,186,135

CSS custom property--colour: #215B97;

Brightness & contrast

Relative luminance0.1004WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.98:1

Contrast with white6.98:1WCAG normal text: AA

Contrast with black3.01:1WCAG normal text: Fail

Greyscale equivalent#535353

Inverted#DEA468

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3F5F99no red cones; affects about 1% of men; ΔE 5.1 from the original

Deuteranopia#2C5496no green cones; the most common form, about 1% of men; ΔE 6.4 from the original

Tritanopia#006971no blue cones; rare, and affects men and women equally; ΔE 36.8 from the original

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

Contrast with white, large text6.98:1WCAG large text: AAA

Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.4 Dark slateblue · ΔE 24.2 Cornflower blue · ΔE 27.1 Slate grey · ΔE 31.8 Light slate grey · ΔE 33 Dodgerblue · ΔE 33.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#975D21

Analogous#219697, #222197

Triadic#97215B, #5B9721

Split complementary#972221, #969721

Tetradic#972196, #975D21, #219722

Tints, shades & saturation

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

Lighter +40%#9BC1E9

Lighter +30%#71A8E0

Lighter +20%#478ED7

Lighter +10%#2A74C1

Darker −10%#18426D

Darker −20%#0F2943

Darker −30%#060F19

Darker −40%#000000

More saturated +25%#0A5BAE

Less saturated −25%#385B80

Channel breakdown

R33

G91

B151

Red33 (12.9%)

Green91 (35.7%)

Blue151 (59.2%)

Hue210.51°

Saturation (HSL)64.13%

Lightness36.08%

Dominant channelBlue

Hex per channelR 21 · G 5B · B 97

Keep nerding

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

#215B97

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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