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Recognised as Colour

#0A545D

  • #0A545D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0A545D is a cyan with RGB values 10, 84, 93 and HSL 187°, 81%, 20%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0A545D#0A545D
HEX#0A545D
RGBrgb(10, 84, 93)
RGB (0–1)0.0392, 0.3294, 0.3647
RGB percentages3.9%, 32.9%, 36.5%
HSLhsl(186.5, 80.6%, 20.2%)
HSV / HSBhsv(186.5, 89.2%, 36.5%)
CMYK89.2%, 9.7%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer676,957
CSS custom property--colour: #0A545D;

Brightness & contrast

Relative luminance0.07195WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.61:1
Contrast with white8.61:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#F5ABA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C505Eno red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#41485Dno green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#005857no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.61:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.4Teal · ΔE 19.9Dim grey · ΔE 24Dark cyan · ΔE 24.1Slate grey · ΔE 25.6Light slate grey · ΔE 28
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.42, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D130A
Analogous#0A5D3D, #0A2B5D
Triadic#5D0A54, #545D0A
Split complementary#5D0A2A, #5D3D0A
Tetradic#3D0A5D, #5D130A, #2B5D0A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#48DAEB
Lighter +30%#1AD0E6
Lighter +20%#14A7B9
Lighter +10%#0F7E8B
Darker −10%#052A2F
Darker −20%#000101
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005C67
Less saturated −25%#174A50

Channel breakdown

R10
G84
B93
Red10 (3.9%)
Green84 (32.9%)
Blue93 (36.5%)
Hue186.51°
Saturation (HSL)80.58%
Lightness20.2%
Dominant channelBlue
Hex per channelR 0A · G 54 · B 5D

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Every value on this page was computed from “0a545d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.