Recognised as Colour

#51679D

#51679D
Blue
Dark
Nearest: Steel blue

#51679D is a blue with RGB values 81, 103, 157 and HSL 223°, 32%, 47%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#51679D#51679D

HEX#51679D

RGBrgb(81, 103, 157)

RGB (0–1)0.3176, 0.4039, 0.6157

RGB percentages31.8%, 40.4%, 61.6%

HSLhsl(222.6, 31.9%, 46.7%)

HSV / HSBhsv(222.6, 48.4%, 61.6%)

CMYK48.4%, 34.4%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,334,941

CSS custom property--colour: #51679D;

Brightness & contrast

Relative luminance0.13884WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.56:1

Contrast with white5.56:1WCAG normal text: AA

Contrast with black3.78:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#AE9862

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#536C9Fno red cones; affects about 1% of men; ΔE 2.9 from the original

Deuteranopia#4B659Cno green cones; the most common form, about 1% of men; ΔE 1.5 from the original

Tritanopia#33727Bno blue cones; rare, and affects men and women equally; ΔE 32.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.56:1WCAG large text: AAA

Contrast with black, large text3.78:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.1 Slate grey · ΔE 24.9 Cornflower blue · ΔE 25 Dark slateblue · ΔE 25.2 Light slate grey · ΔE 25.7 Dim grey · ΔE 32.7

Nearest named CSS colourSteel blue (#4682B4)ΔE 14.07, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9D8751

Analogous#518D9D, #61519D

Triadic#9D5167, #679D51

Split complementary#9D6151, #8D9D51

Tetradic#9D518D, #9D8751, #519D61

Tints, shades & saturation

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

Lighter +40%#D2D8E8

Lighter +30%#B0BBD6

Lighter +20%#8F9FC5

Lighter +10%#6D82B4

Darker −10%#40517B

Darker −20%#2E3B5A

Darker −30%#1D2538

Darker −40%#0C0F16

More saturated +25%#335ABB

Less saturated −25%#6F747F

Channel breakdown

R81

G103

B157

Red81 (31.8%)

Green103 (40.4%)

Blue157 (61.6%)

Hue222.63°

Saturation (HSL)31.93%

Lightness46.67%

Dominant channelBlue

Hex per channelR 51 · G 67 · B 9D

Keep nerding

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

#51679D

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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