Colour

#045A73

#045A73
Cyan
Dark
Nearest: Dark slate grey

#045A73 is a cyan with RGB values 4, 90, 115 and HSL 194°, 93%, 23%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#045A73#045A73

HEX#045A73

RGBrgb(4, 90, 115)

RGB (0–1)0.0157, 0.3529, 0.451

RGB percentages1.6%, 35.3%, 45.1%

HSLhsl(193.5, 93.3%, 23.3%)

HSV / HSBhsv(193.5, 96.5%, 45.1%)

CMYK96.5%, 21.7%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer285,299

CSS custom property--colour: #045A73;

Brightness & contrast

Relative luminance0.08576WCAG 2.x, 0 is black and 1 is white

Perceived brightness79.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.73:1

Contrast with white7.73:1WCAG normal text: AAA

Contrast with black2.72:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#FBA58C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C5874no red cones; affects about 1% of men; ΔE 16.1 from the original

Deuteranopia#3F4F73no green cones; the most common form, about 1% of men; ΔE 17.3 from the original

Tritanopia#006162no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original

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

Contrast with white, large text7.73:1WCAG large text: AAA

Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.3 Steel blue · ΔE 22.6 Slate grey · ΔE 23 Teal · ΔE 23.9 Light slate grey · ΔE 25.2 Dim grey · ΔE 26

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.34, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#731D04

Analogous#047355, #042273

Triadic#73045A, #5A7304

Split complementary#730422, #735504

Tetradic#550473, #731D04, #227304

Tints, shades & saturation

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

Lighter +40%#4AD1F9

Lighter +30%#19C5F7

Lighter +20%#07A7D6

Lighter +10%#0681A4

Darker −10%#023342

Darker −20%#010D10

Darker −30%#000000

Darker −40%#000000

More saturated +25%#005C77

Less saturated −25%#135264

Channel breakdown

G90

B115

Red4 (1.6%)

Green90 (35.3%)

Blue115 (45.1%)

Hue193.51°

Saturation (HSL)93.28%

Lightness23.33%

Dominant channelBlue

Hex per channelR 04 · G 5A · B 73

Keep nerding

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

#045A73

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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