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Recognised as Colour

#045A72

  • #045A72
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#045A72 is a cyan with RGB values 4, 90, 114 and HSL 193°, 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

#045A72#045A72
HEX#045A72
RGBrgb(4, 90, 114)
RGB (0–1)0.0157, 0.3529, 0.4471
RGB percentages1.6%, 35.3%, 44.7%
HSLhsl(193.1, 93.2%, 23.1%)
HSV / HSBhsv(193.1, 96.5%, 44.7%)
CMYK96.5%, 21.1%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer285,298
CSS custom property--colour: #045A72;

Brightness & contrast

Relative luminance0.08553WCAG 2.x, 0 is black and 1 is white
Perceived brightness79 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.75:1
Contrast with white7.75:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#FBA58D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D5873no red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#3F4E72no green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#006162no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.75:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.8Slate grey · ΔE 23Steel blue · ΔE 23.1Teal · ΔE 23.4Light slate grey · ΔE 25.2Dim grey · ΔE 25.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.82, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#721C04
Analogous#047253, #042372
Triadic#72045A, #5A7204
Split complementary#720423, #725304
Tetradic#530472, #721C04, #237204

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#49D2F9
Lighter +30%#18C6F7
Lighter +20%#07A8D5
Lighter +10%#0681A3
Darker −10%#023341
Darker −20%#010C0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005C76
Less saturated −25%#135263

Channel breakdown

R4
G90
B114
Red4 (1.6%)
Green90 (35.3%)
Blue114 (44.7%)
Hue193.09°
Saturation (HSL)93.22%
Lightness23.14%
Dominant channelBlue
Hex per channelR 04 · G 5A · B 72

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Every value on this page was computed from “045a72” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.