Colour

#215A79

#215A79
Blue
Dark
Nearest: Steel blue

#215A79 is a blue with RGB values 33, 90, 121 and HSL 201°, 57%, 30%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#215A79#215A79

HEX#215A79

RGBrgb(33, 90, 121)

RGB (0–1)0.1294, 0.3529, 0.4745

RGB percentages12.9%, 35.3%, 47.5%

HSLhsl(201.1, 57.1%, 30.2%)

HSV / HSBhsv(201.1, 72.7%, 47.5%)

CMYK72.7%, 25.6%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,185,849

CSS custom property--colour: #215A79;

Brightness & contrast

Relative luminance0.09016WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.49:1

Contrast with white7.49:1WCAG normal text: AAA

Contrast with black2.8:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#DEA586

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B5A7Ano red cones; affects about 1% of men; ΔE 11.1 from the original

Deuteranopia#3F5178no green cones; the most common form, about 1% of men; ΔE 12.2 from the original

Tritanopia#006265no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.49:1WCAG large text: AAA

Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.2 Dark slate grey · ΔE 20.2 Slate grey · ΔE 21.5 Light slate grey · ΔE 23.7 Dim grey · ΔE 25.5 Teal · ΔE 28.5

Nearest named CSS colourSteel blue (#4682B4)ΔE 19.21, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#794021

Analogous#21796C, #212E79

Triadic#79215A, #5A7921

Split complementary#79212E, #796C21

Tetradic#6C2179, #794021, #2E7921

Tints, shades & saturation

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

Lighter +40%#88C0DE

Lighter +30%#5FABD3

Lighter +20%#3795C9

Lighter +10%#2C78A1

Darker −10%#163C51

Darker −20%#0B1E29

Darker −30%#000101

Darker −40%#000000

More saturated +25%#0E608C

Less saturated −25%#345466

Channel breakdown

R33

G90

B121

Red33 (12.9%)

Green90 (35.3%)

Blue121 (47.5%)

Hue201.14°

Saturation (HSL)57.14%

Lightness30.2%

Dominant channelBlue

Hex per channelR 21 · G 5A · B 79

Keep nerding

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#215A79

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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