Colour

#2A587F

#2A587F
Blue
Dark
Nearest: Steel blue

#2A587F is a blue with RGB values 42, 88, 127 and HSL 208°, 50%, 33%. 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

#2A587F#2A587F

HEX#2A587F

RGBrgb(42, 88, 127)

RGB (0–1)0.1647, 0.3451, 0.498

RGB percentages16.5%, 34.5%, 49.8%

HSLhsl(207.5, 50.3%, 33.1%)

HSV / HSBhsv(207.5, 66.9%, 49.8%)

CMYK66.9%, 30.7%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,775,167

CSS custom property--colour: #2A587F;

Brightness & contrast

Relative luminance0.09004WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.5:1

Contrast with white7.5:1WCAG normal text: AAA

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

Greyscale equivalent#515151

Inverted#D5A780

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#475981no red cones; affects about 1% of men; ΔE 7.5 from the original

Deuteranopia#3B517Eno green cones; the most common form, about 1% of men; ΔE 8.2 from the original

Tritanopia#006166no blue cones; rare, and affects men and women equally; ΔE 25.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.5:1WCAG large text: AAA

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

Named colours

Steel blue · ΔE 17.5 Slate grey · ΔE 23.3 Dark slate grey · ΔE 25.1 Light slate grey · ΔE 25.2 Dim grey · ΔE 28 Gray · ΔE 32

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.47, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7F512A

Analogous#2A7F7B, #2A2E7F

Triadic#7F2A58, #587F2A

Split complementary#7F2A2E, #7F7B2A

Tetradic#7B2A7F, #7F512A, #2E7F2A

Tints, shades & saturation

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

Lighter +40%#98BDDD

Lighter +30%#72A5D0

Lighter +20%#4B8CC4

Lighter +10%#3773A5

Darker −10%#1D3D59

Darker −20%#112332

Darker −30%#04080C

Darker −40%#000000

More saturated +25%#155A94

Less saturated −25%#3F566A

Channel breakdown

R42

G88

B127

Red42 (16.5%)

Green88 (34.5%)

Blue127 (49.8%)

Hue207.53°

Saturation (HSL)50.3%

Lightness33.14%

Dominant channelBlue

Hex per channelR 2A · G 58 · B 7F

Keep nerding

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

#2A587F

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

Nerdulate something else