Colour

#277BB6

#277BB6
Blue
Dark
Nearest: Steel blue

#277BB6 is a blue with RGB values 39, 123, 182 and HSL 205°, 65%, 43%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#277BB6#277BB6

HEX#277BB6

RGBrgb(39, 123, 182)

RGB (0–1)0.1529, 0.4824, 0.7137

RGB percentages15.3%, 48.2%, 71.4%

HSLhsl(204.8, 64.7%, 43.3%)

HSV / HSBhsv(204.8, 78.6%, 71.4%)

CMYK78.6%, 32.4%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,587,574

CSS custom property--colour: #277BB6;

Brightness & contrast

Relative luminance0.17975WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.59:1

Contrast with white4.57:1WCAG normal text: AA

Contrast with black4.59:1WCAG normal text: AA

Greyscale equivalent#6D6D6D

Inverted#D88449

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#607DB9no red cones; affects about 1% of men; ΔE 11.3 from the original

Deuteranopia#4B70B5no green cones; the most common form, about 1% of men; ΔE 12.5 from the original

Tritanopia#008990no blue cones; rare, and affects men and women equally; ΔE 35.1 from the original

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

Contrast with white, large text4.57:1WCAG large text: AAA

Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.7 Cornflower blue · ΔE 21.4 Deep skyblue · ΔE 27.2 Slate grey · ΔE 27.8 Light slate grey · ΔE 27.8 Dodgerblue · ΔE 30.5

Nearest named CSS colourSteel blue (#4682B4)ΔE 6.65, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B66227

Analogous#27B6AA, #2733B6

Triadic#B6277B, #7BB627

Split complementary#B62733, #B6A927

Tetradic#AA27B6, #B66227, #34B627

Tints, shades & saturation

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

Lighter +40%#B9D9F0

Lighter +30%#8FC3E7

Lighter +20%#65ACDE

Lighter +10%#3B95D5

Darker −10%#1E5F8C

Darker −20%#154262

Darker −30%#0C2638

Darker −40%#03090E

More saturated +25%#0B80D2

Less saturated −25%#43769A

Channel breakdown

R39

G123

B182

Red39 (15.3%)

Green123 (48.2%)

Blue182 (71.4%)

Hue204.76°

Saturation (HSL)64.71%

Lightness43.33%

Dominant channelBlue

Hex per channelR 27 · G 7B · B B6

Keep nerding

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

#277BB6

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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