Colour

#2D5271

#2D5271
Blue
Dark
Nearest: Dark slate grey

#2D5271 is a blue with RGB values 45, 82, 113 and HSL 207°, 43%, 31%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D5271#2D5271

HEX#2D5271

RGBrgb(45, 82, 113)

RGB (0–1)0.1765, 0.3216, 0.4431

RGB percentages17.6%, 32.2%, 44.3%

HSLhsl(207.4, 43%, 31%)

HSV / HSBhsv(207.4, 60.2%, 44.3%)

CMYK60.2%, 27.4%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,970,225

CSS custom property--colour: #2D5271;

Brightness & contrast

Relative luminance0.07785WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.21:1

Contrast with white8.21:1WCAG normal text: AAA

Contrast with black2.56:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#D2AD8E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#455372no red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#3C4C70no green cones; the most common form, about 1% of men; ΔE 7.5 from the original

Tritanopia#00595Dno blue cones; rare, and affects men and women equally; ΔE 22 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.21:1WCAG large text: AAA

Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.1 Steel blue · ΔE 21.6 Slate grey · ΔE 22.3 Dim grey · ΔE 24.5 Light slate grey · ΔE 24.8 Gray · ΔE 29.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.12, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#714C2D

Analogous#2D716E, #2D3071

Triadic#712D52, #52712D

Split complementary#712D30, #716E2D

Tetradic#6E2D71, #714C2D, #30712D

Tints, shades & saturation

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

Lighter +40%#95B8D5

Lighter +30%#719FC6

Lighter +20%#4C87B8

Lighter +10%#3C6C95

Darker −10%#1E384D

Darker −20%#101D28

Darker −30%#010304

Darker −40%#000000

More saturated +25%#195485

Less saturated −25%#41505D

Channel breakdown

R45

G82

B113

Red45 (17.6%)

Green82 (32.2%)

Blue113 (44.3%)

Hue207.35°

Saturation (HSL)43.04%

Lightness30.98%

Dominant channelBlue

Hex per channelR 2D · G 52 · B 71

Keep nerding

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#2D5271

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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