Colour

#51527C

#51527C
Blue
Dark
Nearest: Steel blue

#51527C is a blue with RGB values 81, 82, 124 and HSL 239°, 21%, 40%. 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

#51527C#51527C

HEX#51527C

RGBrgb(81, 82, 124)

RGB (0–1)0.3176, 0.3216, 0.4863

RGB percentages31.8%, 32.2%, 48.6%

HSLhsl(238.6, 21%, 40.2%)

HSV / HSBhsv(238.6, 34.7%, 48.6%)

CMYK34.7%, 33.9%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,329,532

CSS custom property--colour: #51527C;

Brightness & contrast

Relative luminance0.09239WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.37:1

Contrast with white7.37:1WCAG normal text: AAA

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

Greyscale equivalent#555555

Inverted#AEAD83

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#45577Eno red cones; affects about 1% of men; ΔE 6.2 from the original

Deuteranopia#43547Bno green cones; the most common form, about 1% of men; ΔE 5.8 from the original

Tritanopia#465A61no blue cones; rare, and affects men and women equally; ΔE 23.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.37:1WCAG large text: AAA

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

Named colours

Steel blue · ΔE 23.1 Slate grey · ΔE 24.6 Dark slateblue · ΔE 24.7 Light slate grey · ΔE 26.5 Dim grey · ΔE 27.2 Dark slate grey · ΔE 30.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 23.13, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7C7B51

Analogous#51687C, #66517C

Triadic#7C5152, #527C51

Split complementary#7C6551, #687C51

Tetradic#7C5168, #7C7B51, #517C65

Tints, shades & saturation

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

Lighter +40%#C2C2D7

Lighter +30%#A3A4C3

Lighter +20%#8485AF

Lighter +10%#65679B

Darker −10%#3D3E5D

Darker −20%#29293E

Darker −30%#15151F

Darker −40%#000001

More saturated +25%#373A96

Less saturated −25%#676767

Channel breakdown

R81

G82

B124

Red81 (31.8%)

Green82 (32.2%)

Blue124 (48.6%)

Hue238.6°

Saturation (HSL)20.98%

Lightness40.2%

Dominant channelBlue

Hex per channelR 51 · G 52 · B 7C

Keep nerding

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

#51527C

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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